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TI-2021-18770 Aliases CVE-2021-42341GHSA-3fxr-g4w3-xwx9

checkpath in OpenRC before 0.44.7 uses the direct output of strlen() to allocate strings…

Priority LOW 37Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02117 81st percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:openrc_project:openrc:*:*:*:*:*:*:*:*0.44.0 to before 0.44.7VulnerableOpenrc Project
  • cpe:2.3:a:openrc_project:openrc:*:*:*:*:*:*:*:* Versions 0.44.0 to before 0.44.7 Vulnerable ·Openrc Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42341
  2. 2026-10-03 Alias added: GHSA-3fxr-g4w3-xwx9

References

  • TI-2018-15229 checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary… CVSS 3.1MEDIUM 5.5

Sources