CVE-2025-8736
CVE-2025-8736 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-119.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 4.3
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-24013
- Weakness: CWE-119
- Published:
- Last modified:
Description
A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
Frequently asked questions
- What is CVE-2025-8736?
- A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
- How severe is CVE-2025-8736?
- CVE-2025-8736 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2025-8736 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-8736?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-8736 have an EU (EUVD) identifier?
- Yes. CVE-2025-8736 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24013.
- When was CVE-2025-8736 published?
- CVE-2025-8736 was published on 2025-08-08 and last updated on 2026-06-17.
References
- https://drive.google.com/file/d/17lkJ5bSiQZoXLTg3bK-rGBt3kahN9Xse/view?usp=drive_link
- https://lists.gnu.org/archive/html/bug-cflow/2025-07/msg00001.html
- https://vuldb.com/?ctiid.319232
- https://vuldb.com/?id.319232
- https://vuldb.com/?submit.622329
- https://www.gnu.org/
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