Bug 2356560 (CVE-2025-3031)

Summary: CVE-2025-3031 firefox: thunderbird: JIT optimization bug with different stack slot sizes
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: unspecifiedCC: erack, gotiwari, jhorak, mvyas, tpopela
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
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Description OSIDB Bzimport 2025-04-01 13:01:15 UTC
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137.