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TI-2025-08000 Aliases CVE-2025-8746GHSA-4cc6-crfh-q58w

GNU libopts __strstr_sse2 memory corruption

Priority MEDIUM 55CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Deferred Red Hat: fix deferred

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00239 15th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
Fix Deferred Red Hat: fix deferred

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GNUlibopts27.0; 27.1; 27.2; 27.3; 27.4; 27.5; 27.6—No fix listedCNA
  • libopts VendorGNU Affected 27.0; 27.1; 27.2; 27.3; 27.4; 27.5; 27.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:libopts:*:*:*:*:*:*:*:*up to 27.6VulnerableGNU
  • cpe:2.3:a:gnu:libopts:*:*:*:*:*:*:*:* Versions up to 27.6 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8746
  2. 2026-10-03 Alias added: GHSA-4cc6-crfh-q58w

References

Exploit 3

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences