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Fedora 39: Security Advisory for Indent Heap Overwrites and Overreads

fedora
Calendar Grey September 15, 2023
Dist Fedora Esm H88
Fedora 39 patch addresses critical heap vulnerabilities, improving C code structuring. Successfully mitigate CVE-2023-40305.
This release fixes a heap buffer overwrite in search_brace() (CVE-2023-40305) and a heap overread in lexi().

Summary

Indent is a GNU program for beautifying C code, so that it is easier to

read. Indent can also convert from one C writing style to a different

one. Indent understands correct C syntax and tries to handle incorrect

C syntax.

Install the indent package if you are developing applications in C and

you want a program to format your code.

Update Information:

This release fixes a heap buffer overwrite in search_brace() (CVE-2023-40305) and a heap overread in lexi().

Topics%20covered

Topics Covered

security advisory buffer overflow Fedora C programming heap overread heap overwrite indent

Change Log

* Wed Aug 16 2023 Petr Pisar - 2.2.13-5 - Fix a heap overread in search_brace/lexi - Fix CVE-2023-40305 (a heap buffer overwrite in search_brace) (bug #2231919)

References


[ 1 ] Bug #2231854 - CVE-2023-40305 indent: heap-based buffer overflow in search_brace() in indent.c https://bugzilla.redhat.com/show_bug.cgi?id=2231854

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-845edc1181' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
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Name: indent
Product: Fedora 39
Version: 2.2.13
Release: 5.fc39
URL:
Summary: A GNU program for formatting C code

Topics%20covered

Topics Covered

security advisory buffer overflow Fedora C programming heap overread heap overwrite indent

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