How to fix CVE-2025-8746?

During next maintenance window: Identify affected systems running GNU libopts and apply vendor patches when convenient. Monitor vendor channels for patch availability.

Is Libopts affected by CVE-2025-8746?

Organizations using GNU libopts should be aware of moderate risk from CVE-2025-8746, a buffer overflow vulnerability rated CVSS 4.8. Exploitation could cause memory corruption or application crashes. Proof-of-concept code is publicly available.

CVE-2025-8746

MEDIUM

2025-08-09 [email protected]

Buffer Overflow Libopts Redhat Suse

4.8

CVSS 4.0

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Patch Released

Apr 09, 2026 - 08:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:06 vuln.today

PoC Detected

Sep 16, 2025 - 15:36 vuln.today

Public exploit code

CVE Published

Aug 09, 2025 - 06:15 nvd

MEDIUM 4.8

DescriptionNVD

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.

AnalysisAI

A vulnerability, which was classified as problematic, was found in GNU libopts up to 27.6. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. 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. Affected products include: Gnu Libopts. Version information: up to 27.6..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Vendor StatusVendor

CVE-2025-8746 vulnerability details – vuln.today

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CVE-2025-8746

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DescriptionNVD

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CVE-2025-8746

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code