Bug 2387311 (CVE-2025-8736)

Summary: CVE-2025-8736 cflow: GNU cflow Lexer Buffer Overflow
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in cflow. The yylex function in c.c exhibits a buffer overflow vulnerability, triggered by manipulation of input data. A local attacker could exploit this issue to cause an application level denial of service. This vulnerability stems from insufficient bounds checking during lexical analysis.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2387640, 2387641    
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Description OSIDB Bzimport 2025-08-08 20:01:21 UTC 
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.