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CVE-2021-42341

25
FAUCET Score

CVE-2021-42341 is a memory corruption vulnerability in OpenRC versions prior to 0.44.7, specifically within the checkpath function. It arises because strlen() output is used directly for string allocation, omitting space for the null terminator. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low complexity, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.44.0, < 0.44.7CPE matchmatch criteria
cpe:2.3:a:openrc_project:openrc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.05%
Probability of exploitation in next 30 days
EPSS Percentile
79.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0205 is in the 63rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

bugs.gentoo.org / 816900
ExploitPatchThird Party Advisory
github.com / OpenRC/openrc/commit/63db2d99e730547339d1bdd28e8437999c380cae
PatchThird Party Advisory
github.com / OpenRC/openrc/commit/bb8334104baf4d5a4a442a8647fb9204738f2204
PatchThird Party Advisory
github.com / OpenRC/openrc/issues/418
ExploitPatchThird Party Advisory
github.com / OpenRC/openrc/issues/459
ExploitPatchThird Party Advisory
github.com / OpenRC/openrc/pull/462
PatchThird Party Advisory