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CVE record · CVE-2021-31566

Symlink following in libarchive

No CVSS scoreEPSS 0.0039 · 33rd percentile

Published by the CVE Program (CNA: redhat) at 23 Aug 2022, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Not given libarchive
  • affected Fixed in libarchive 3.5.2
Identifiers
CVE-2021-31566
CNA
redhat
Weakness (CWE)
CWE-59
Tags
Published
23 Aug 2022
Updated
2 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0039, the 33rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 23 Aug 2022, 00:00 UTC Confirmed by the CVE List
  2. 23 Aug 2022, 16:15 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.