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Fedora 36: 2022-7bf79241e2 High: cflow Memory Corruption Vulnerability

fedora
Calendar Grey May 31, 2021
Dist Fedora Esm H88
Tackling a memory corruption vulnerability in cflow on Fedora 34. Upgrade your system for improved safety.
Fix a use after free problem

Summary

GNU cflow analyzes a collection of C source files and prints a graph,

charting control flow within the program.

GNU cflow is able to produce both direct and inverted flowgraphs for C

sources. Optionally a cross-reference listing can be generated. Two

output formats are implemented: POSIX and GNU (extended).

Fix a use after free problem

* Sat May 22 2021 Terje Rosten - 1.6-8

- Fix use after free issue

[ 1 ] Bug #1962214 - CVE-2020-23856 cflow: use-after-free in call() in src/parser.c [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1962214

su -c 'dnf upgrade --advisory FEDORA-2021-6ef76430d0' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
important
Lowest
Low
Medium
High
Critical

Product: Fedora 34
Version: 1.6
Release: 8.fc34
Summary: Analyzes C files charting control flow within the program

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