Vulnerability · Published Oct 16, 2025 · Assigned by VulDB
CVE-2025-11840GNU Binutils ldmisc.c vfinfo out-of-bounds
Low 3.3
In plain English
A low-severity out-of-bounds read in Binutils from GNU. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
A weakness has been identified in GNU Binutils 2.45. The affected element is the function vfinfo of the file ldmisc.c. Executing a manipulation can lead to out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. This patch is called 16357. It is best practice to apply a patch to resolve this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | binutils | no fix listed | DEBIAN-CVE-2025-11840 |
| Debian:13 | binutils | no fix listed | DEBIAN-CVE-2025-11840 |
| Debian:14 | binutils | 2.46-1 | DEBIAN-CVE-2025-11840 |
| Ubuntu:22.04:LTS | binutils | 2.38-4ubuntu2.11 | USN-7899-1 |
| Ubuntu:22.04:LTS | binutils | 2.38-4ubuntu2.11 | UBUNTU-CVE-2025-11840 |
| Ubuntu:24.04:LTS | binutils | 2.42-4ubuntu2.7 | USN-7899-1 |
| Ubuntu:24.04:LTS | binutils | 2.42-4ubuntu2.7 | UBUNTU-CVE-2025-11840 |
| Ubuntu:25.10 | binutils | 2.45-7ubuntu1.1 | UBUNTU-CVE-2025-11840 |
| Ubuntu:25.10 | binutils | 2.45-7ubuntu1.1 | USN-7899-1 |
Affected products (as reported)
Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-328775 | GNU Binutils ldmisc.c vfinfo out-of-bounds vdb-entry, technical-description
- VDB-328775 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #661281 | GNU Binutils 2.45 Out-of-Bounds Read third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=33455 issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16351 exploit
- https://sourceware.org/bugzilla/attachment.cgi?id=16357 patch
- https://www.gnu.org/ product
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html