Bug 2524122 (CVE-2026-75421)

Summary: CVE-2026-75421 aria2: aria2: Stack-buffer-underflow vulnerability in IOFile::getLine() function
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 aria2. This stack-buffer-underflow vulnerability, located in the `IOFile::getLine()` function, could allow an attacker to cause a denial of service or potentially execute arbitrary code. The vulnerability arises when the application attempts to write data before the beginning of a buffer on the stack, leading to memory corruption.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2526693, 2526694    
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Description OSIDB Bzimport 2026-08-25 21:19:13 UTC
aria2 <=1.37.0 has a stack-buffer-underflow vulnerability in the IOFile::getLine() function.