Vulnerability Description
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. The problem has been fixed in release v0.5.8. As a workaround users can limit the size of the compressed file input to a reasonable size for their use case. The standard library had recently the same issue and got the CVE-2020-16845 allocated.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xz Project | Xz | < 0.5.8 |
Related Weaknesses (CWE)
References
- https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9bPatchThird Party Advisory
- https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27Third Party Advisory
- https://github.com/ulikunitz/xz/commit/69c6093c7b2397b923acf82cb378f55ab2652b9bPatchThird Party Advisory
- https://github.com/ulikunitz/xz/security/advisories/GHSA-25xm-hr59-7c27Third Party Advisory
FAQ
What is CVE-2021-29482?
CVE-2021-29482 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 malicou...
How severe is CVE-2021-29482?
CVE-2021-29482 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29482?
Check the references section above for vendor advisories and patch information. Affected products include: Xz Project Xz.