CVE-2022-2879

Unbounded memory consumption when reading headers in archive/tar

State: Published
Severity: Not scored
Published: Oct 14, 2022
Updated: Feb 13, 2025
Reserved: Aug 17, 2022

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

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
archive/tarGo standard library	before 1.18.7Affected 1.19.0-0 to before 1.19.2Affected

References

https://go.dev/issue/54853
https://go.dev/cl/439355
https://groups.google.com/g/golang-announce/c/xtuG5faxtaU
https://pkg.go.dev/vuln/GO-2022-1037
https://security.gentoo.org/glsa/202311-09

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