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Dismissed
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created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
MultiVendorX < 5.0.11 - Store Owner+ Cross-Store Commission Data Disclosure via commissions REST Endpoint

The MultiVendorX WordPress plugin before 5.0.11 does not verify that the requested store belongs to the current user in one of its REST API endpoints, allowing any vendor-level user to read other vendors' commission and financial data.

References

Affected products

MultiVendorX
  • <5.0.11
Dismissed
(no matching packages found)
Permalink CVE-2026-68078
6.5 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
Apache Qpid Broker-J: Unable to govern the maximum number of transfer frames per incoming delivery

It was not possible to govern the maximum number of transfer frames per incoming delivery, enabling an authenticated attacker to cause excessive resource usage and potential denial of service. This issue affects Apache Qpid Broker-J: through 10.0.1. Users are recommended to upgrade to version 10.1.0, which fixes the issue.

Affected products

org.apache.qpid:qpid-broker-plugins-amqp-1-0-protocol
  • =<10.0.1
Dismissed
(no matching packages found)
Permalink CVE-2026-16583
6.1 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): Low (L)
  • Integrity (I): Low (L)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): None (N)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
Orbit Fox by ThemeIsle < 3.0.8 - Author+ Stored XSS via SVG Upload

The Orbit Fox: Duplicate Page, Menu Icons, SVG Support, Cookie Notice, Custom Fonts & More WordPress plugin before 3.0.8 does not sanitize uploaded SVG files when its SVG upload feature is enabled, allowing authenticated users with the upload capability (Author and above by default, without the unfiltered_html capability) to upload SVG files containing JavaScript that executes in the site context when the file is viewed, leading to Stored Cross-Site Scripting.

References

Affected products

Orbit Fox: Duplicate Page, Menu Icons, SVG Support, Cookie Notice, Custom Fonts & More
  • <3.0.8
Dismissed
(no matching packages found)
Permalink CVE-2026-20270
8.6 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Changed (C)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
Cisco IOS XE Software Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20270 are related to incorrect calculation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-682.

Affected products

Cisco IOS XE Software
  • ==17.15.1y
  • ==17.3.1x
  • ==16.12.1z1
  • ==16.6.5b
  • ==16.12.9
  • ==16.9.2s
  • ==16.12.1s
  • ==17.18.1
  • ==17.15.4
  • ==16.6.5
  • ==17.12.1z2
  • ==17.12.1x
  • ==16.9.3h
  • ==16.9.7
  • ==17.1.2
  • ==16.8.1a
  • ==17.12.5
  • ==17.12.4b
  • ==17.7.1a
  • ==17.2.1
  • ==16.7.1
  • ==16.10.1a
  • ==16.12.4
  • ==17.3.1w
  • ==17.3.3
  • ==17.6.8
  • ==16.12.13
  • ==16.6.6
  • ==16.10.1d
  • ==16.9.1b
  • ==17.10.1b
  • ==16.9.8
  • ==17.9.6a
  • ==17.11.1a
  • ==17.9.1
  • ==17.12.1z5
  • ==16.12.7
  • ==17.9.4a
  • ==16.12.5
  • ==17.6.1x
  • ==17.15.4a
  • ==16.10.3
  • ==17.12.3a
  • ==16.10.1s
  • ==16.12.4a
  • ==17.2.1r
  • ==17.7.1b
  • ==17.12.7
  • ==16.12.2a
  • ==17.3.6
  • ==16.12.2
  • ==17.4.2
  • ==17.9.5b
  • ==16.9.1d
  • ==17.9.1y1
  • ==17.1.1a
  • ==17.1.3
  • ==17.3.5a
  • ==16.11.1s
  • ==17.15.4b
  • ==16.12.1c
  • ==16.9.5
  • ==16.6.5a
  • ==17.18.3a
  • ==17.15.1b
  • ==17.12.4a
  • ==17.3.5
  • ==16.12.1t
  • ==16.6.4a
  • ==17.6.4
  • ==17.9.5d
  • ==17.12.1y
  • ==16.7.4
  • ==17.11.1
  • ==17.17.1
  • ==16.12.8
  • ==17.18.1y
  • ==16.9.8b
  • ==16.9.1a
  • ==17.9.5c
  • ==16.6.3
  • ==17.9.1w
  • ==17.9.7b
  • ==17.12.1
  • ==17.7.1
  • ==17.13.1a
  • ==17.9.2a
  • ==17.6.7
  • ==17.15.3a
  • ==17.15.5
  • ==17.3.8
  • ==17.4.1
  • ==17.9.3a
  • ==17.5.1a
  • ==17.9.5a
  • ==17.15.2c
  • ==17.3.2
  • ==17.12.1z4
  • ==17.4.1c
  • ==16.10.1c
  • ==17.14.1a
  • ==16.12.10a
  • ==16.9.3
  • ==17.1.1s
  • ==17.6.6a
  • ==17.3.4c
  • ==17.8.1
  • ==16.12.1z2
  • ==17.6.2
  • ==17.9.4
  • ==16.12.15
  • ==17.12.6a
  • ==17.3.1
  • ==17.4.1b
  • ==17.4.1a
  • ==17.12.3
  • ==17.18.3
  • ==17.15.4c
  • ==16.12.1w
  • ==16.12.1
  • ==16.12.6a
  • ==17.6.1z
  • ==17.12.1z
  • ==17.15.3b
  • ==16.12.1x
  • ==16.9.6
  • ==17.14.1
  • ==17.15.1
  • ==16.6.8
  • ==16.12.11
  • ==17.6.3
  • ==17.18.1a
  • ==17.9.5e
  • ==17.15.1x
  • ==17.3.1z
  • ==16.10.1
  • ==17.10.1a
  • ==16.6.4s
  • ==17.3.8a
  • ==17.9.7
  • ==17.12.5d
  • ==16.9.8a
  • ==16.8.1c
  • ==16.6.7a
  • ==16.9.3a
  • ==16.8.1e
  • ==16.10.2
  • ==16.6.9
  • ==17.2.1a
  • ==16.9.5f
  • ==17.18.2
  • ==17.1.1t
  • ==17.15.2b
  • ==17.18.1w
  • ==16.9.2
  • ==17.2.2
  • ==17.9.2
  • ==16.9.1
  • ==17.3.5b
  • ==16.9.4
  • ==16.6.7
  • ==16.10.1e
  • ==17.6.1a
  • ==17.12.1z1
  • ==17.12.6b
  • ==17.6.6
  • ==16.11.1b
  • ==16.8.1
  • ==16.11.2
  • ==17.15.2
  • ==17.18.1z
  • ==17.9.3
  • ==16.9.2a
  • ==17.6.1
  • ==17.12.1a
  • ==16.7.3
  • ==17.10.1
  • ==17.12.1z6
  • ==17.15.7
  • ==16.7.2
  • ==16.8.1b
  • ==16.10.1f
  • ==16.12.1z
  • ==17.3.2a
  • ==16.12.6
  • ==17.15.4s1
  • ==16.12.2t
  • ==17.7.2
  • ==16.12.2s
  • ==17.3.7
  • ==17.9.1x1
  • ==16.12.3
  • ==17.3.4b
  • ==16.12.16
  • ==16.6.2
  • ==17.15.5a
  • ==17.12.2
  • ==17.6.8a
  • ==17.9.7a
  • ==16.8.1d
  • ==16.12.1y
  • ==17.1.1
  • ==17.3.4
  • ==17.6.5a
  • ==17.12.5a
  • ==17.12.2a
  • ==16.11.1
  • ==17.6.5
  • ==17.15.3
  • ==17.15.1a
  • ==16.12.12
  • ==17.15.4d
  • ==17.12.7b
  • ==17.3.4a
  • ==16.9.3s
  • ==16.7.1a
  • ==16.12.3a
  • ==16.11.1c
  • ==17.3.3a
  • ==16.12.1a
  • ==17.9.1x
  • ==17.9.1a
  • ==17.8.1a
  • ==16.10.1b
  • ==16.9.1c
  • ==17.9.5f
  • ==17.6.1z1
  • ==16.12.14
  • ==16.11.1a
  • ==16.8.1s
  • ==17.12.1w
  • ==16.12.10
  • ==17.2.1v
  • ==16.6.10
  • ==17.12.6
  • ==17.9.8
  • ==17.4.2a
  • ==17.15.1w
  • ==17.15.2a
  • ==17.9.1y
  • ==16.12.5a
  • ==17.12.1z3
  • ==16.10.1g
  • ==17.2.3
  • ==16.8.3
  • ==17.16.1a
  • ==16.9.1s
  • ==16.12.5b
  • ==16.9.4c
  • ==16.6.4
  • ==17.12.5b
  • ==17.5.1
  • ==16.12.3s
  • ==17.12.5c
  • ==17.9.9
  • ==17.6.3a
  • ==17.12.7a
  • ==26.1.1a
  • ==17.12.4
  • ==26.1.1
  • ==17.9.5
  • ==17.3.1a
  • ==17.16.1
  • ==17.18.1x
  • ==17.9.6
  • ==17.13.1
  • ==16.8.2
  • ==16.7.1b
Dismissed
(no matching packages found)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
A missing permission check in Jenkins SCM-Manager Plugin 1.11.1 and …

A missing permission check in Jenkins SCM-Manager Plugin 1.11.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

References

Affected products

Jenkins SCM-Manager Plugin
  • =<1.11.1
Dismissed
(no matching packages found)
Permalink CVE-2026-20273
8.6 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Changed (C)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
Cisco IOS XE Software Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20273 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.

Affected products

Cisco IOS XE Software
  • ==17.15.1y
  • ==17.3.1x
  • ==16.12.1z1
  • ==16.6.5b
  • ==16.12.9
  • ==16.9.2s
  • ==16.12.1s
  • ==17.18.1
  • ==17.15.4
  • ==16.6.5
  • ==17.12.1z2
  • ==17.12.1x
  • ==16.9.3h
  • ==16.9.7
  • ==17.1.2
  • ==16.8.1a
  • ==17.12.5
  • ==17.12.4b
  • ==17.7.1a
  • ==17.2.1
  • ==16.7.1
  • ==16.10.1a
  • ==16.12.4
  • ==17.3.1w
  • ==17.3.3
  • ==17.6.8
  • ==16.12.13
  • ==16.8.2
  • ==16.6.6
  • ==16.9.1b
  • ==17.10.1b
  • ==16.9.8
  • ==17.9.6a
  • ==17.11.1a
  • ==17.9.1
  • ==17.12.1z5
  • ==16.12.7
  • ==17.9.4a
  • ==16.12.5
  • ==17.6.1x
  • ==17.15.4a
  • ==16.10.3
  • ==17.12.7
  • ==16.10.1s
  • ==16.12.4a
  • ==17.2.1r
  • ==17.7.1b
  • ==17.12.3a
  • ==16.12.2a
  • ==17.3.6
  • ==16.12.2
  • ==17.4.2
  • ==17.9.5b
  • ==16.9.1d
  • ==17.9.1y1
  • ==17.1.1a
  • ==17.1.3
  • ==17.15.4b
  • ==16.11.1s
  • ==17.3.5a
  • ==16.12.1c
  • ==16.9.5
  • ==16.6.5a
  • ==17.18.3a
  • ==17.15.1b
  • ==17.12.4a
  • ==17.3.5
  • ==16.12.1t
  • ==16.6.4a
  • ==17.6.4
  • ==17.9.5d
  • ==17.12.1y
  • ==16.7.4
  • ==17.11.1
  • ==17.17.1
  • ==16.12.8
  • ==17.18.1y
  • ==16.9.8b
  • ==16.9.1a
  • ==17.9.5c
  • ==16.6.3
  • ==17.9.7b
  • ==17.9.1w
  • ==17.12.1
  • ==17.7.1
  • ==17.13.1a
  • ==17.9.2a
  • ==17.6.7
  • ==17.15.5
  • ==17.15.3a
  • ==17.3.8
  • ==17.4.1
  • ==17.4.1c
  • ==17.5.1a
  • ==17.9.3a
  • ==17.9.5a
  • ==17.3.2
  • ==17.15.2c
  • ==17.12.1z4
  • ==16.10.1c
  • ==17.14.1a
  • ==16.12.10a
  • ==16.9.3
  • ==17.1.1s
  • ==17.6.6a
  • ==17.3.4c
  • ==17.8.1
  • ==16.12.1z2
  • ==17.6.2
  • ==16.12.15
  • ==17.9.4
  • ==17.12.6a
  • ==17.3.1
  • ==17.4.1b
  • ==17.4.1a
  • ==17.18.3
  • ==17.12.3
  • ==17.15.4c
  • ==16.12.1w
  • ==16.12.1
  • ==16.12.6a
  • ==17.6.1z
  • ==17.12.1z
  • ==17.15.3b
  • ==16.9.6
  • ==16.12.1x
  • ==17.14.1
  • ==17.18.1a
  • ==16.6.8
  • ==17.15.1
  • ==17.6.3
  • ==17.12.5d
  • ==16.12.11
  • ==17.15.1x
  • ==17.3.1z
  • ==16.10.1
  • ==17.10.1a
  • ==16.6.4s
  • ==17.3.8a
  • ==17.9.7
  • ==17.9.5e
  • ==16.9.8a
  • ==16.8.1c
  • ==16.6.7a
  • ==16.9.3a
  • ==16.8.1e
  • ==16.10.2
  • ==16.6.9
  • ==17.2.1a
  • ==17.18.2
  • ==16.9.5f
  • ==17.1.1t
  • ==17.15.2b
  • ==17.18.1w
  • ==16.9.2
  • ==17.2.2
  • ==17.9.2
  • ==16.9.1
  • ==17.3.5b
  • ==16.9.4
  • ==17.12.6b
  • ==16.6.7
  • ==16.10.1e
  • ==17.6.1a
  • ==17.12.1z1
  • ==17.6.6
  • ==16.11.1b
  • ==16.8.1
  • ==17.18.1z
  • ==16.11.2
  • ==17.15.2
  • ==17.9.3
  • ==16.9.2a
  • ==17.6.1
  • ==17.12.1a
  • ==16.7.3
  • ==17.12.1z6
  • ==17.10.1
  • ==17.15.7
  • ==16.7.2
  • ==16.8.1b
  • ==16.10.1f
  • ==16.12.1z
  • ==17.15.4s1
  • ==17.3.2a
  • ==16.12.6
  • ==16.12.2t
  • ==17.7.2
  • ==16.12.2s
  • ==17.3.7
  • ==17.9.1x1
  • ==16.12.3
  • ==16.12.16
  • ==17.3.4b
  • ==16.6.2
  • ==17.15.5a
  • ==17.12.2
  • ==17.6.8a
  • ==17.9.7a
  • ==16.8.1d
  • ==16.12.1y
  • ==17.1.1
  • ==17.3.4
  • ==17.6.5a
  • ==17.12.5a
  • ==17.12.2a
  • ==16.11.1
  • ==17.6.5
  • ==17.15.3
  • ==17.15.1a
  • ==16.12.12
  • ==17.15.4d
  • ==17.12.7b
  • ==17.3.4a
  • ==16.9.3s
  • ==16.7.1a
  • ==16.12.3a
  • ==16.11.1c
  • ==17.3.3a
  • ==16.12.1a
  • ==17.9.1x
  • ==17.9.1a
  • ==17.8.1a
  • ==16.10.1b
  • ==16.9.1c
  • ==17.9.5f
  • ==17.6.1z1
  • ==16.12.14
  • ==16.11.1a
  • ==16.8.1s
  • ==17.12.1w
  • ==16.12.10
  • ==17.2.1v
  • ==16.6.10
  • ==17.12.6
  • ==17.9.8
  • ==17.4.2a
  • ==17.15.1w
  • ==17.15.2a
  • ==17.9.1y
  • ==16.12.5a
  • ==17.12.1z3
  • ==16.10.1g
  • ==17.2.3
  • ==16.8.3
  • ==17.16.1a
  • ==16.9.1s
  • ==16.12.5b
  • ==16.9.4c
  • ==16.6.4
  • ==17.12.5b
  • ==17.5.1
  • ==17.12.5c
  • ==16.12.3s
  • ==17.9.9
  • ==17.6.3a
  • ==17.12.7a
  • ==26.1.1a
  • ==17.12.4
  • ==26.1.1
  • ==17.9.5
  • ==17.3.1a
  • ==17.18.1x
  • ==17.16.1
  • ==17.9.6
  • ==17.13.1
  • ==16.10.1d
  • ==16.7.1b
Dismissed
(no matching packages found)
Permalink CVE-2026-18959
2.1 LOW
  • CVSS version (CVSS): 4.0
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Attack Requirement (AT): None (N)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Vulnerable System Impact Confidentiality (VC): None (N)
  • Vulnerable System Impact Integrity (VI): Low (L)
  • Vulnerable System Impact Availability (VA): Low (L)
  • Subsequent System Impact Confidentiality (SC): None (N)
  • Subsequent System Impact Integrity (SI): None (N)
  • Subsequent System Impact Availability (SA): None (N)
  • Exploit Maturity (E): POC (P)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Attack Requirement (MAT): None (N)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Vulnerable System Impact Confidentiality (MVC): None (N)
  • Modified Vulnerable System Impact Integrity (MVI): Low (L)
  • Modified Vulnerable System Impact Availability (MVA): Low (L)
  • Modified Subsequent System Impact Confidentiality (MSC): Negligible (N)
  • Modified Subsequent System Impact Integrity (MSI): Negligible (N)
  • Modified Subsequent System Impact Availability (MSA): Negligible (N)
  • Safety (S): Not Defined (X)
  • Automatable (AU): Not Defined (X)
  • Recovery (R): Not Defined (X)
  • Value Density (V): Not Defined (X)
  • Vulnerability Response Effort (RE): Not Defined (X)
  • Provider Urgency (U): Not Defined (X)
  • Confidentiality Req. (CR): Not Defined (X)
  • Integrity Req. (IR): Not Defined (X)
  • Availability Req. (AR): Not Defined (X)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
yushine InnoShop Files Endpoint panel-api.php destroyFiles path traversal

A flaw has been found in yushine InnoShop up to 0.8.2. Affected by this issue is the function FileManagerController::destroyFiles of the file innopacks/restapi/routes/panel-api.php of the component Files Endpoint. This manipulation causes path traversal. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

InnoShop
  • ==0.8.1
  • ==0.8.0
  • ==0.8.2
Dismissed
(no matching packages found)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
Apache Qpid Broker-J: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Broker-J: through 10.0.1. Users are recommended to upgrade to version 10.1.0, which fixes the issue.

Affected products

org.apache.qpid:qpid-broker-plugins-amqp-1-0-protocol
  • =<10.0.1
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(no matching packages found)
created 1 month ago Activity log
  • Created & dismissed (no matching packages found) suggestion
Apache Qpid Proton Dotnet: Unbounded symbol value caching can lead to pre-authentication resource exhaustion

A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service. This issue affects Apache Qpid Proton-Dotnet: through 1.0.0. Users are recommended to upgrade to version 1.1.0, which fixes the issue.

Affected products

Apache.Qpid.Proton
  • =<1.0.0
Dismissed
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Permalink CVE-2026-54876
7.5 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): High (H)
created 1 month ago Activity log
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Client-Side Memory Leak in OCSP Response Checking

Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per TLS handshake in a victim client application. A long-running client that repeatedly connects to a malicious server can have its memory exhausted, resulting in a Denial of Service. CWE: CWE-401: Missing Release of Memory after Effective Lifetime Description: The affected function is called during X.509 certificate chain verification when OCSP response checking is enabled with the X509_V_FLAG_OCSP_RESP_CHECK or X509_V_FLAG_OCSP_RESP_CHECK_ALL verification flags, for example when a TLS client verifies an OCSP response stapled into the TLS handshake by the server. When the received BasicOCSPResponse contains an empty SEQUENCE OF SingleResponse, which is permitted on the wire and accepted by the OpenSSL decoder, the OCSP_BASICRESP structure allocated by OCSP_response_get1_basic() was not freed because an early return bypassed the cleanup code at the end of the function. The amount of memory leaked per handshake can be amplified by the attacker by padding the certs field of the BasicOCSPResponse with bogus certificates, which are parsed and stored in the leaked structure before the empty response check triggers the early return. A long-running TLS client that repeatedly connects to a malicious server can have its memory exhausted over time. OCSP response checking is not enabled by default. Only client applications that explicitly enable the OCSP response check verification flags are affected. FIPS impact: no The FIPS modules in 4.0 and 3.6 are not affected by this issue as the affected code is outside the OpenSSL FIPS module boundary.

Affected products

OpenSSL
  • <3.6.4
  • <4.0.2