CVE-2026-2241

LOW EPSS 6.6%
Published Feb 9, 20264mo ago · Modified Apr 29, 20262mo ago
1.9 CVSS 4.0
Low
Find Similar
Published Feb 9, 2026 4mo ago
Last Modified Apr 29, 2026 2mo ago

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.

CVSS Details

Base Score
1.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
6.6% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
janet-langjanet* ≤1.40.1

References 8

  • github.com https://github.com/janet-lang/janet/
    Product
  • github.com https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff
    Patch
  • github.com https://github.com/janet-lang/janet/issues/1701
    ExploitIssue Tracking
  • github.com https://github.com/janet-lang/janet/issues/1701#event-4446770461
    ExploitIssue Tracking
  • github.com https://github.com/oneafter/0123/blob/main/ja3/repro
    Exploit
  • vuldb.com https://vuldb.com/?ctiid.344980
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.344980
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.753156
    Third Party AdvisoryVDB Entry

Remediation

  • github.com https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bff
    Patch