CVE-2026-2240

Name
CVE-2026-2240
Description
A vulnerability has been found in janet-lang janet up to 1.40.1. The impacted element is the function janetc_pop_funcdef of the file src/core/compile.c. Such manipulation leads to out-of-bounds read. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The name of the patch is 4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5. A patch should be applied to remediate this issue.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cna@vuldb.com https://github.com/janet-lang/janet/
cna@vuldb.com https://github.com/janet-lang/janet/commit/4dd08a4cdef5b1c42d9a2c19fc24412e97ef51d5
cna@vuldb.com https://github.com/janet-lang/janet/issues/1702
cna@vuldb.com https://github.com/janet-lang/janet/issues/1702#issuecomment-3790473369
cna@vuldb.com https://github.com/oneafter/0123/blob/main/ja4/repro
cna@vuldb.com https://vuldb.com/?ctiid.344979
cna@vuldb.com https://vuldb.com/?id.344979
cna@vuldb.com https://vuldb.com/?submit.753155

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:* janet >= None <= 1.40.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
janet edge-community 1.40.1-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.40.0-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.39.1-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.39.0-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.38.0-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.37.1-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.36.0-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet edge-community 1.22.0-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable
janet 3.23-community 1.40.1-r0 Will Sinatra <wpsinatra@gmail.com> possibly vulnerable