CVE-2025-8746CWE-119

GNU libopts __strstr_sse2 memory corruption

Medium · published August 9, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
12.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00227 · 12.7th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2025-08-09T06:02Z
EPSS history
Timeline
  • 09 AUG 06:02Z
    GNU libopts __strstr_sse2 memory corruption
    cvelistv5