Vulnerability in Feep Libtar
CVE-2021-33645
The th_read() function doesn’t free a variable t->th_buf.gnu_longlink after allocating memory, which may cause a memory leak.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Feep Libtar
- Openatom Openeuler — versions 20.03, 22.03
- Fedoraproject Fedora — versions 35, 36, 37
- Libtar — versions <1.2.21
Weakness classification (CWE)
References
- www.openeuler.org/en/security/safety-bulletin/detail.html (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-33645?
- CVE-2021-33645 is a high-severity vulnerability in Feep Libtar, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-08-10.
- How severe is CVE-2021-33645?
- High severity. CVSS v3 base score is 7.5 out of 10.