Loop with Unreachable Exit Condition ('Infinite Loop') Affecting buildah package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.44% (70th percentile)

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  • Snyk IDSNYK-RHEL10-BUILDAH-9895212
  • published29 Apr 2025
  • disclosed1 Jan 2021

Introduced: 1 Jan 2021

CVE-2021-29482  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 buildah.

NVD Description

Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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 Base Scores

version 3.1