CVE-2026-2241: medium-severity vulnerability in janet-lang janet
janet-lang janet os.c os_strftime out-of-bounds
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.2%
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: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
Affected products
janet-lang · janetRelated CVEs — janet-lang janet
In the same product, most dangerous first.
CVE-2026-2869MEDIUMjanet-lang janet handleattr specials.c janetc_varset out-of-boundsEPSS 0.2%CVE-2026-2242MEDIUMjanet-lang janet specials.c janetc_if out-of-boundsEPSS 0.2%CVE-2026-2240MEDIUMjanet-lang janet compile.c janetc_pop_funcdef out-of-boundsEPSS 0.2%CVE-2026-10268MEDIUMjanet-lang janet marsh.c unmarshal_one_fiber integer overflowEPSS 0.1%CVE-2026-10267MEDIUMjanet-lang janet debug.c doframe out-of-boundsEPSS 0.1%
References
https://github.com/janet-lang/janet/https://github.com/janet-lang/janet/commit/0f285855f0e34f9183956be5f16e045f54626bffhttps://github.com/janet-lang/janet/issues/1701https://github.com/janet-lang/janet/issues/1701#event-4446770461https://github.com/oneafter/0123/blob/main/ja3/reprohttps://vuldb.com/?ctiid.344980https://vuldb.com/?id.344980https://vuldb.com/?submit.753156