CVE-2021-29482
HIGH7.5EPSS 0.43%github.com/ulikunitz/xz fixes readUvarint Denial of Service (DoS)
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](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16845) allocated. ### For more information If you have any questions or comments about this advisory: * Open an issue in [xz](https://github.com/ulikunitz/xz/issues).
Affected packages (3)
- Debian/golang-github-ulikunitz-xzfrom 0, < 0.5.6-2
- Go/github.com/ulikunitz/xzfrom 0, < 0.5.8
- Go/github.com/ulikunitz/xzfrom 0, < 0.5.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (6)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-29482
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-29482
- WEBhttps://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b
- WEBhttps://github.com/ulikunitz/xz/issues/35
- WEBhttps://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27
- WEBhttps://pkg.go.dev/vuln/GO-2020-0016