Bug 2387367 (CVE-2025-8746)

Summary: CVE-2025-8746 libopts: Libopts Memory Corruption Vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A buffer overflow flaw was found in libopts. The `__strstr_sse2` function is susceptible to memory corruption due to manipulation of internal data structures. A local attacker can trigger this vulnerability. Exploitation occurs through crafted input, potentially leading to a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2387605, 2387603    
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Description OSIDB Bzimport 2025-08-09 07:01:35 UTC 
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.