CVE-2026-3805 Affecting curl package, versions <8.19.0-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.03% (9th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-CURL-15459699
  • published11 Mar 2026
  • disclosed11 Mar 2026

Introduced: 11 Mar 2026

CVE-2026-3805  (opens in a new tab)

How to fix?

Upgrade Debian:unstable curl to version 8.19.0-1 or higher.

NVD Description

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

When doing a second SMB request to the same host again, curl would wrongly use a data pointer pointing into already freed memory.

CVSS Base Scores

version 3.1