GitHub Advisoryadvisory · Go
GHSA-25xm-hr59-7c27 github.com/ulikunitz/xz fixes readUvarint Denial of Service (DoS)
HIGH
Official page ↗
- Aliases
- CVE-2021-29482
- Ecosystem
- Go
- Packages
- github.com/ulikunitz/xz
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-835
- Reviewed
- 2021-05-24
Affected packages
• Go github.com/ulikunitz/xz: < 0.5.8 → fixed in 0.5.8
Description
Impact
xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz container format may not terminate a loop provide malicous input.
Patches
The problem has been fixed in release v0.5.8.
Workarounds
Limit the size of the compressed file input to a reasonable size for your use case.
References
The standard library had recently the same issue and got the CVE-2020-16845 allocated.
For more information
If you have any questions or comments about this advisory:
• Open an issue in xz.
Related
Alias · CVE (1)
- CVE-2021-29482 xz is a compression and decompression library focusing on the xz format completely written in Go. vulnerability
Weakness · CWE (1)
- CWE-835 Loop with Unreachable Exit Condition weakness