CVE-2022-36227In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer d…
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No exploitation reported and no EPSS estimate yet.
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In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark but third parties dispute the code-execution impact: "In rare circumstances, when NULL is equivalent to the 0x0 memory address and privileged code can access it, then writing or reading memory is possible, which may lead to code execution."
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
libarchive libarchive libarchive:libarchive | from 3.0.0 before 3.6.2 | NVD |
debian debian_linux debian:debian_linux | 10.0 | NVD |
fedoraproject fedora fedoraproject:fedora | 37 | NVD |
splunk universal_forwarder splunk:universal_forwarder | from 8.2.0 before 8.2.12; from 9.0.0 before 9.0.6; 9.1.0 | NVD |
References
- https://github.com/libarchive/libarchive/issues/1754
- https://bugs.gentoo.org/882521
- https://github.com/libarchive/libarchive/blob/v3.0.0a/libarchive/archive_write.c#L215
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V67OO2UUQAUJS3IK4JZPF6F3LUCBU6IS/vendor-advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00034.htmlmailing-list
- https://security.gentoo.org/glsa/202309-14vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.