Alerts This Week
Warning Icon 1 1,109
Alerts This Week
Warning Icon 1 1,109

Fedora 42 avr-binutils Severe Heap Overflow Vulnerabilities CVE-2025-11083

fedora
Calendar Grey March 4, 2026
Dist Fedora Esm H88
Critical updates for Fedora 42 avr-binutils addressing heap overflow and out-of-bounds read vulnerabilities.
fix CVE-2025-11083: heap-based overflow fix CVE-2025-11082: heap-based overflow fix CVE-2025-11081: out-of-bounds read

Summary

This is a Cross Compiling version of GNU binutils, which can be used to

assemble and link binaries for the avr platform, instead of for the

native i386 platform.

Update Information:

fix CVE-2025-11083: heap-based overflow fix CVE-2025-11082: heap-based overflow fix CVE-2025-11081: out-of-bounds read

Topics%20covered

Topics Covered

security advisory fedora critical software update heap overflow out-of-bounds read

Change Log

* Wed Feb 18 2026 Michal Hlavinka - 1:2.45-4.1 - rebuild * Mon Oct 20 2025 Michal Hlavinka - 1:2.45-4 - fix CVE-2025-11083: heap-based overflow (rhbz#2400336) * Thu Oct 16 2025 Michal Hlavinka - 1:2.45-3 - fix CVE-2025-11082: heap-based overflow (rhbz#2400340) * Thu Oct 16 2025 Michal Hlavinka - 1:2.45-2 - fix CVE-2025-11081: out-of-bounds read (rhbz#2400335)

References


[ 1 ] Bug #2400335 - CVE-2025-11081 avr-binutils: GNU Binutils out-of-bounds read [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2400335 [ 2 ] Bug #2400340 - CVE-2025-11082 avr-binutils: GNU Binutils Linker heap-based overflow [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2400340

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-405dab5af2' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
Low
Medium
High
Critical

Name: avr-binutils
Product: Fedora 42
Version: 2.45
Release: 4.fc42.1
URL: http://www.gnu.org/software/binutils/
Summary: Cross Compiling GNU binutils targeted at avr

Topics%20covered

Topics Covered

security advisory fedora critical software update heap overflow out-of-bounds read

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here