Out-of-bounds Read in Libarchive
CVE-2022-26280
Libarchive v3.6.0 was discovered to contain an out-of-bounds read via the component zipx_lzma_alone_init.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Libarchive — versions 3.6.0
- Fedoraproject Fedora — versions 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/libarchive/libarchive/issues/1672 (Exploit, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202208-26 (vendor-advisory, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-26280?
- CVE-2022-26280 is a medium-severity vulnerability in Libarchive, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-03-28.
- How severe is CVE-2022-26280?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-26280 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.