CVE-2026-2241

janet-lang janet os.c os_strftime out-of-bounds

MEDIUM
6.1
CVSS Score
Published: February 9, 2026 at 04:02 PM UTC
Updated: June 17, 2026 at 10:30 AM UTC
1 product affected across 1 vendorJanet

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.344980
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.344980
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.753156
Issue TrackingExploit
Source: cverecord
https://github.com/janet-lang/janet/issues/1701
Product
Source: cverecord
https://github.com/janet-lang/janet/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125CWE-119

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