CVE-2021-42341

7.5 highEPSS 2.1%

High (7.5) in openrc project openrc. EPSS 2.1% chance of exploitation in the next 30 days.

checkpath in OpenRC before 0.44.7 uses the direct output of strlen() to allocate strings, which does not account for the '\0' byte at the end of the string. This results in memory corruption. CVE-2021-42341 was introduced in git commit 63db2d99e730547339d1bdd28e8437999c380cae, which was introduced as part of OpenRC 0.44.0 development.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
Published: 2021-10-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openrc_project:openrc

References

https://bugs.gentoo.org/816900
https://github.com/OpenRC/openrc/commit/63db2d99e730547339d1bdd28e8437999c380cae
https://github.com/OpenRC/openrc/commit/bb8334104baf4d5a4a442a8647fb9204738f2204
https://github.com/OpenRC/openrc/issues/418
https://github.com/OpenRC/openrc/issues/459

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