In short
- CVE-2021-29482 is a HIGH (CVSS 7.5) vulnerability affecting github.com/ulikunitz/xz, xz (xz project).
- Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 73.1% of all vulnerabilities.
- Fix: update to 0.5.8 or later.
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:
NVD 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.
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