Use After Free Affecting cflow package, versions <1:1.6-6


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-CFLOW-1293566
  • published19 May 2021
  • disclosed18 May 2021

Introduced: 18 May 2021

CVE-2020-23856  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Debian:unstable cflow to version 1:1.6-6 or higher.

NVD Description

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

Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of service via the pointer variable caller->callee.

CVSS Scores

version 3.1