Nixpkgs security tracker
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CVE-2026-48840
5.3 MEDIUM
- 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): Low (L)
- Integrity (I): None (N)
- 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): None (N)
- Modified Confidentiality (MC): Low (L)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): None (N)
Activity log
- Created suggestion
Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain …
Exim 4.88 before 4.99.4, in some proxy configurations, mishandles certain short payloads, leading to disclosure of uninitialized stack memory values to a client.
References
Affected products
Exim
- <4.99.4
Package maintainers
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@Conni2461 Simon Hauser <simon-hauser@outlook.com>
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@4z3 Tomislav Viljetić <tv@krebsco.de>
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@dasJ Janne Heß <janne@hess.ooo>
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@helsinki-Jo Joachim Ernst <joachim.ernst@helsinki-systems.de>