CVE-2025-8746
CVE-2025-8746 is a low-severity vulnerability in Gnu Libopts with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 1.7
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24045
- Weakness: CWE-787
- Affected product: Gnu Libopts
- Published:
- Last modified:
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.
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.
- How severe is CVE-2025-8746?
- CVE-2025-8746 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2025-8746 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-8746?
- CVE-2025-8746 affects Gnu Libopts. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-8746?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-8746 have an EU (EUVD) identifier?
- Yes. CVE-2025-8746 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24045.
- When was CVE-2025-8746 published?
- CVE-2025-8746 was published on 2025-08-09 and last updated on 2026-06-17.
References
- 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/?ctiid.319242
- https://vuldb.com/?id.319242
- https://vuldb.com/?submit.623632
- https://www.gnu.org/
Affected products (1)
- cpe:2.3:a:gnu:libopts:*:*:*:*:*:*:*:*
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