CVE-2021-42341
checkpath in OpenRC before 0.44.7 uses the direct output of strlen() to allocate strings, which...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-42341- 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 - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-42341- Updated
- 2026-11-02
EUVDEUVD-2021-29314 No score
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.
- Record
EUVD-2021-29314- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3fxr-g4w3-xwx9 No score
checkpath in OpenRC before 0.44.7 uses the direct output of strlen() to allocate strings, which...
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.
- Record
GHSA-3fxr-g4w3-xwx9- Updated
- 2026-11-02
OSVALPINE-CVE-2021-42341
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.
- Record
ALPINE-CVE-2021-42341- 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 - Updated
- 2026-11-02
OSVBELL-CVE-2021-42341
CVE-2021-42341 does not affect BellSoft software
- Record
BELL-CVE-2021-42341- 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 - Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-42341- 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 - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openrcAlpine:v3.14 |
0.44.0 up to 0.43.3-r2 | 0.43.3-r2 |
openrcAlpine:v3.15 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.16 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.17 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.18 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.19 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.20 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.21 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.22 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.23 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
openrcAlpine:v3.24 |
0.44.0 up to 0.44.6-r1 | 0.44.6-r1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-42341 is a high vulnerability (CVSS 7.5) in Openrc Project Openrc, published October 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. Fixed in openrc 0.43.3-r2.