CVE-2025-11495
Published: October 10, 2025Last modified: November 8, 2025
Description
A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Notes
the POC doesn't work with 2.40. So 23-LTS seems not affected
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | binutils | Not affected (2.39-r2) |
| 25 LTS | binutils | Fixed (2.45-r2) | |
| Stream | binutils | Fixed (2.45-r2) | |
| Hardened Containers | 23 LTS | binutils | Not affected (2.39-r2) |
| Stream | binutils | Fixed (2.45-r2) |
References
- https://sourceware.org/bugzilla/attachment.cgi?id=16393
- https://sourceware.org/bugzilla/show_bug.cgi?id=33502
- https://sourceware.org/bugzilla/show_bug.cgi?id=33502#c3
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0
- https://vuldb.com/?ctiid.327620
- https://vuldb.com/?id.327620
- https://vuldb.com/?submit.668290
- https://www.gnu.org/