CVE-2026-10268
LowCVSS 3.3Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
In janet-lang janet up to version 1.41.0, a vulnerability in the unmarshal_one_fiber function of src/core/marsh.c leads to an integer overflow. The attack requires local access, and the exploit has been publicly released.
Risk Assessment
A local attacker can exploit the integer overflow to cause unexpected behavior or a crash.
Recommendation
Apply the patch identified as d9b1d711ea1fde52ac73a82088b512a3e17bad0d to fix the vulnerability.
Original NVD description (English source)
A weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue.