UBUNTU-CVE-2021-29482
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 28 Apr 2021, 19:15
Last modified:20 May 2026, 16:04
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
28 Apr 2021, 19:15
Published
Vulnerability first disclosed
20 May 2026, 16:04
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Systems
- ubuntu•golang-github-ulikunitz-xz
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