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No exploitation reportedFix available

CVE-2022-26280

No exploitation reported by the sources we read.

  • Published2022-03-28
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Libarchive v3.6.0 was discovered to contain an out-of-bounds read via the component zipx_lzma_alone_init.

Timeline

dates in UTC
  1. 2022-03-2822:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-26280?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-26280?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
36.x= 36no fix published
Libarchive
BranchAffectedFixed in
3.6= 3.6.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libarchiveAlmaLinux:9all versions · fixed in 3.5.3-2.el9_0and 2 other packages

Vendor advisories

  • CVE-2022-26280 Red Hat Product Security120 products fixed

    libarchive: an out-of-bounds read via the component zipx_lzma_alone_init

  • RHSA-2022:5252 Red Hat Product Security85 products fixed

    Red Hat Security Advisory: libarchive security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2022:5252 · 85 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.16.5read 2026-10-23
  • NVDCVSS 2.05.8read 2026-10-23
  • NVDweakness (CWE)CWE-125read 2026-10-23
  • FIRST EPSSEPSS score1.9 %2026-10-22
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
Published
2022-03-28
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-26280?

Libarchive v3.6.0 was discovered to contain an out-of-bounds read via the component zipx_lzma_alone_init.

Is CVE-2022-26280 actively exploited?

Active exploitation of CVE-2022-26280 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-26280?

CVE-2022-26280 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H.

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