CVE-2021-33640
Severity CVSS v4.0:
Pending analysis
Type:
CWE-416
Use After Free
Publication date:
19/12/2022
Last modified:
02/04/2025
Description
After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used (use-after-free).
Impact
Base Score 3.x
6.20
Severity 3.x
MEDIUM
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:o:openatom:openeuler:20.03:sp1:*:*:lts:*:*:* | ||
cpe:2.3:o:openatom:openeuler:20.03:sp2:*:*:lts:*:*:* | ||
cpe:2.3:o:openatom:openeuler:22.03:*:*:*:lts:*:*:* | ||
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | ||
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
- https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/
- https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-33640&packageName=libtar