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CVE-2020-3810
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing…
Medium5.5EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- debian
Description
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.
Timeline
ID reserved
By debian
- 5 months later
· 5 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- apt out-of-bounds read in .ar/.tar implemations
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
- CWE-125 (opens in a new tab)All about CWE-125 and its CVEs
Affected products
References (8)
- https://github.com/Debian/apt/issues/111 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.launchpad.net/bugs/1878177 (opens in a new tab)x_refsource_MISCx_transferred
- https://salsa.debian.org/apt-team/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6 (opens in a new tab)x_refsource_MISCx_transferred
- https://lists.debian.org/debian-security-announce/2020/msg00089.html (opens in a new tab)x_refsource_MISCx_transferred
- https://tracker.debian.org/news/1144109/accepted-apt-212-source-into-unstable/ (opens in a new tab)x_refsource_MISCx_transferred
- USN-4359-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4359-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2020-f03cfe3df5 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-3810)Record last updated .