CVE-2025-8746

LOW

GNU libopts < 27.6 - Memory Corruption in __strstr_sse2

Title source: llm
STIX 2.1

Description

A vulnerability, which was classified as problematic, was found in GNU libopts up to 27.6. Affected is the function __strstr_sse2. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. This issue was initially reported to the tcpreplay project, but the code maintainer explains, that this "bug appears to be in libopts which is an external library." This vulnerability only affects products that are no longer supported by the maintainer.

References (7)

Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.319242
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.319242
Exploit, Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.623632
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/appneta/tcpreplay/issues/957
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/appneta/tcpreplay/issues/957#issuecomment-3124774393
Product product
https://www.gnu.org/

Scores

CVSS v3 3.3
EPSS 0.0005
EPSS Percentile 15.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-787
Status published
Products (1)
gnu/libopts < 27.6
Published Aug 09, 2025
Tracked Since Feb 18, 2026