Bug 2381766 (CVE-2025-53816)

Summary: CVE-2025-53816 7zip: 7-Zip heap 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 heap buffer overflow flaw has been discovered in 7zip. Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2381825, 2381835, 2381837, 2381827, 2381829, 2381831, 2381833, 2381836    
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Description OSIDB Bzimport 2025-07-17 19:01:20 UTC
7-Zip is a file archiver with a high compression ratio. Zeroes written outside heap buffer in RAR5 handler may lead to memory corruption and denial of service in versions of 7-Zip prior to 25.0.0. Version 25.0.0 contains a fix for the issue.