Improper Resource Shutdown or Release Affecting re2c package, versions *


Severity

Recommended
0.0
low
0
10

Based on Debian security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-DEBIAN13-RE2C-15325701
  • published22 Feb 2026
  • disclosed22 Feb 2026

Introduced: 22 Feb 2026

CVE-2026-2903  (opens in a new tab)
CWE-404  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for Debian:13 re2c.

NVD Description

Note: Versions mentioned in the description apply only to the upstream re2c package and not the re2c package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function check_and_merge_special_rules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue.

CVSS Base Scores

version 3.1