VULNERABILITY INTELLIGENCE

CVE-2021-29482

CVSS score7.5 HIGH
EPSS probability1.44%
CISA KEVNot currently listed
Published2021-04-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • security-advisories@github.com: CWE-835

Primary references