CVE-2025-11083
GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 27, 2025
- Updated
- Oct 15, 2026
- Reserved
- Sep 26, 2025
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".
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 4.3 Medium | AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
BinutilsGNU |
|
References
- VDB-326124 | GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflowvdb-entrytechnical-description
- VDB-326124 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #661277 | GNU Binutils 2.45 Heap-based Buffer Overflowthird-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=33457issue-tracking
- https://sourceware.org/bugzilla/show_bug.cgi?id=33457#c1issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16353exploit
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9ca499644a21ceb3f946d1c179c38a83be084490patch
- https://www.gnu.org/product
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
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