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CVE-2022-2879
Unbounded memory consumption when reading headers in archive/tar
High7.5EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- Go
Description
Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing resource exhaustion or panics. After fix, Reader.Read limits the maximum size of header blocks to 1 MiB.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- CWE 400: Uncontrolled Resource Consumption
- CWE-770 (opens in a new tab)All about CWE-770 and its CVEs
Affected products
Go standard library · archive/tar
- affected < 1.18.7
- affected 1.19.0-0 – < 1.19.2
References (5)
- https://go.dev/issue/54853 (opens in a new tab)x_transferred
- https://go.dev/cl/439355 (opens in a new tab)x_transferred
- https://groups.google.com/g/golang-announce/c/xtuG5faxtaU (opens in a new tab)x_transferred
- https://pkg.go.dev/vuln/GO-2022-1037 (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202311-09 (opens in a new tab)x_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-2022-2879)Record last updated .