Bug 2438005 (CVE-2026-2241)

Summary: CVE-2026-2241 janet-lang: janet-lang: Denial of Service due to out-of-bounds read
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A denial of service flaw was found in janet-lang. A local attacker can exploit a vulnerability in the `os_strftime` function by manipulating input, which causes an out-of-bounds read. This issue can lead to a Denial of Service (DoS), making the system unresponsive or unavailable.
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Bug Depends On: 2438188, 2438186    
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Description OSIDB Bzimport 2026-02-09 17:01:16 UTC 
A vulnerability was found in janet-lang janet up to 1.40.1. This affects the function os_strftime of the file src/core/os.c. Performing a manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit has been made public and could be used. The patch is named 0f285855f0e34f9183956be5f16e045f54626bff. To fix this issue, it is recommended to deploy a patch.