CVE-2025-11083 GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow
A heap-based buffer overflow in the GNU Binutils linker allows local attackers to execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-11083?
CVE-2025-11083 is a medium-severity memory corruption vulnerability in Gnu Binutils, published on 27 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9ca499644a21ceb3f946d1c179c38a83be084490. To fix this issue, it is recommended to deploy a patch. The code maintainer replied with "[f]ixed for 2.46".
Which versions are affected by CVE-2025-11083?
It affects 1 product.
Linux distribution packages (40)
gcc-toolset-15-binutils AlmaLinux:10 | All versions | 2.44-7.el10_1.1 |
gcc-toolset-15-binutils-devel AlmaLinux:10 | All versions | 2.44-7.el10_1.1 |
gcc-toolset-15-binutils-gold AlmaLinux:10 | All versions | 2.44-7.el10_1.1 |
gcc-toolset-15-binutils-gprofng AlmaLinux:10 | All versions | 2.44-7.el10_1.1 |
binutils AlmaLinux:8 | All versions | 2.30-128.el8_10 |
binutils-devel AlmaLinux:8 | All versions | 2.30-128.el8_10 |
gcc-toolset-14-binutils AlmaLinux:8 | All versions | 2.41-4.el8_10.1 |
gcc-toolset-14-binutils-devel AlmaLinux:8 | All versions | 2.41-4.el8_10.1 |
gcc-toolset-14-binutils-gold AlmaLinux:8 | All versions | 2.41-4.el8_10.1 |
gcc-toolset-14-binutils-gprofng AlmaLinux:8 | All versions | 2.41-4.el8_10.1 |
binutils AlmaLinux:9 | All versions | 2.35.2-67.el9_7.1 |
binutils-devel AlmaLinux:9 | All versions | 2.35.2-67.el9_7.1 |
binutils-gold AlmaLinux:9 | All versions | 2.35.2-67.el9_7.1 |
gcc-toolset-13-binutils AlmaLinux:9 | All versions | 2.40-21.el9_7.1 |
gcc-toolset-13-binutils-devel AlmaLinux:9 | All versions | 2.40-21.el9_7.1 |
gcc-toolset-13-binutils-gold AlmaLinux:9 | All versions | 2.40-21.el9_7.1 |
gcc-toolset-14-binutils AlmaLinux:9 | All versions | 2.41-5.el9_7.1 |
gcc-toolset-14-binutils-devel AlmaLinux:9 | All versions | 2.41-5.el9_7.1 |
gcc-toolset-14-binutils-gold AlmaLinux:9 | All versions | 2.41-5.el9_7.1 |
gcc-toolset-14-binutils-gprofng AlmaLinux:9 | All versions | 2.41-5.el9_7.1 |
gcc-toolset-15-binutils AlmaLinux:9 | All versions | 2.44-3.el9_7.1 |
gcc-toolset-15-binutils-devel AlmaLinux:9 | All versions | 2.44-3.el9_7.1 |
gcc-toolset-15-binutils-gold AlmaLinux:9 | All versions | 2.44-3.el9_7.1 |
gcc-toolset-15-binutils-gprofng AlmaLinux:9 | All versions | 2.44-3.el9_7.1 |
gcc-toolset-15-binutils Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
gcc-toolset-15-binutils-debuginfo Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
gcc-toolset-15-binutils-devel Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
gcc-toolset-15-binutils-gold Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
gcc-toolset-15-binutils-gold-debuginfo Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
gcc-toolset-15-binutils-gprofng Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
gcc-toolset-15-binutils-gprofng-debuginfo Red Hat:enterprise_linux:10.1 | All versions | 0:2.44-7.el10_1.1 |
binutils-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.30-128.el8_10 |
binutils-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:2.30-128.el8_10 |
binutils-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:2.30-128.el8_10 |
gcc-toolset-14-binutils Red Hat:enterprise_linux:8::appstream | All versions | 0:2.41-4.el8_10.1 |
gcc-toolset-14-binutils-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.41-4.el8_10.1 |
gcc-toolset-14-binutils-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:2.41-4.el8_10.1 |
gcc-toolset-14-binutils-gold Red Hat:enterprise_linux:8::appstream | All versions | 0:2.41-4.el8_10.1 |
gcc-toolset-14-binutils-gold-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:2.41-4.el8_10.1 |
gcc-toolset-14-binutils-gprofng Red Hat:enterprise_linux:8::appstream | All versions | 0:2.41-4.el8_10.1 |
Products include Gnu Binutils.
How do I fix CVE-2025-11083?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-11083 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11083 exists.
Other vulnerabilities in Gnu Binutils
Sources
Also known as ALSA-2025:23336, ALSA-2025:23343, ALSA-2025:23382, ALSA-2026:0052, ALSA-2026:0108, ALSA-2026:1359 and 50 more.