CVE-2025-8746

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.

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
gnu	libopts	< 27.6

References

Advisories & Patches

https://github.com/appneta/tcpreplay/issues/957 https://github.com/appneta/tcpreplay/issues/957#issuecomment-3124774393 https://github.com/appneta/tcpreplay/issues/957

Exploits

https://drive.google.com/file/d/1yjKOHxvL_9xExy4QUb5x43dxci1x59ts/view?usp=sharing https://github.com/appneta/tcpreplay/issues/957 https://github.com/appneta/tcpreplay/issues/957#issuecomment-3124774393 https://vuldb.com/?submit.623632 https://github.com/appneta/tcpreplay/issues/957

Other References

https://vuldb.com/?ctiid.319242 https://vuldb.com/?id.319242 https://www.gnu.org/

Frequently Asked Questions

What is CVE-2025-8746? +

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-8746? +

CVE-2025-8746 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-8746? +

CVE-2025-8746 affects products from gnu, specifically: libopts. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8746? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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