CVE-2021-29482
github.com/ulikunitz/xz fixes readUvarint Denial of Service (DoS)
Impact
### 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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/ulikunitz/xz | < 0.5.8 | 0.5.8 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Xz Project | Xz | before 0.5.8 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9b
- https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27
- https://github.com/advisories/GHSA-25xm-hr59-7c27
- https://nvd.nist.gov/vuln/detail/CVE-2021-29482
- https://github.com/ulikunitz/xz/issues/35
- https://pkg.go.dev/vuln/GO-2020-0016