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CVE-2026-56788
4.8 MEDIUM
- CVSS version (CVSS): 4.0
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): Low (L)
- Attack Requirement (AT): None (N)
- Privileges Required (PR): None (N)
- User Interaction (UI): Passive (P)
- Vulnerable System Impact Confidentiality (VC): Low (L)
- Vulnerable System Impact Integrity (VI): None (N)
- 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)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): Low (L)
- Modified Attack Requirement (MAT): None (N)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): Passive (P)
- Modified Vulnerable System Impact Confidentiality (MVC): Low (L)
- Modified Vulnerable System Impact Integrity (MVI): None (N)
- 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)
- Exploit Maturity (E): Not Defined (X)
Activity log
- Created suggestion
RTKLIB 2.4.3 - Out-of-bounds Read via Negative Array Index in getcodepri
RTKLIB through 2.4.3 contains an out-of-bounds read vulnerability in getcodepri function when processing unrecognized RINEX observation codes, allowing attackers to trigger denial of service. Crafted RINEX files with unknown observation types cause negative array indexing into the codepris table, resulting in reliable crashes and potential memory disclosure of adjacent global data.
References
-
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https://www.vulncheck.com/advisories/rtklib-out-of-bounds-read-via-negative-arr… third-party-advisory
Affected products
RTKLIB
- =<2.4.3
Matching in nixpkgs
pkgs.rtklib-ex
Open Source Program Package for GNSS Positioning
pkgs.indi-3rdparty.indi-rtklib
Third party drivers for the INDI astronomical software suite
-
nixos-unstable 3rdparty-indi-rtklib-2.2.0
- nixpkgs-unstable 3rdparty-indi-rtklib-2.2.0
- nixos-unstable-small 3rdparty-indi-rtklib-2.2.0
-
nixos-26.05 3rdparty-indi-rtklib-2.2.0
- nixos-26.05-small 3rdparty-indi-rtklib-2.2.0
- nixpkgs-26.05-darwin 3rdparty-indi-rtklib-2.2.0
Package maintainers
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@returntoreality Linus Karl <linus@lotz.li>
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@sheepforce Phillip Seeber <phillip.seeber@googlemail.com>
-
@skaphi Oskar Philipsson <oskar.philipsson@gmail.com>