Vulnerability · Published Sep 15, 2026 · Assigned by VulDB
CVE-2026-91779GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference
Low 3.3
In plain English
A low-severity null pointer dereference in Binutils from GNU. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Official description
A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_offset of the file bfd/elf-eh-frame.c of the component Eh Frame Handler. Performing a manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | binutils | no fix listed | DEBIAN-CVE-2026-91779 |
| Debian:13 | binutils | no fix listed | DEBIAN-CVE-2026-91779 |
| Debian:14 | binutils | no fix listed | DEBIAN-CVE-2026-91779 |
| Ubuntu:22.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-91779 |
| Ubuntu:24.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-91779 |
| Ubuntu:26.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-91779 |
| Ubuntu:26.10 | binutils | no fix listed | UBUNTU-CVE-2026-91779 |
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-404050 | GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference vdb-entry, technical-description
- VDB-404050 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-91779 | CVE Analysis and Report third-party-advisory
- Submit #933333 | GNU GNU Binutils binutils 2.47 NULL Pointer Dereference third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34446 issue-tracking
- https://github.com/Ech06/CVE_submit/blob/main/bugzilla/issues/34446.md exploit, issue-tracking
- https://www.gnu.org/ broken-link, product