NULL Pointer Dereference Affecting ckolivas/lrzip package, versions [0,0.660)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-CKOLIVASLRZIP-15253639
  • published10 Feb 2026
  • disclosed10 Feb 2026
  • creditUnknown

Introduced: 10 Feb 2026

CVE-2025-15571  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade ckolivas/lrzip to version 0.660 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference in the ucompthread() function in the stream.c file. An attacker can cause a denial of service by triggering a null pointer dereference through local access.

References

CVSS Base Scores

version 4.0
version 3.1