Vulnerability · Published Sep 14, 2026 · Assigned by VulDB
CVE-2026-90829GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereference
Medium 5.3
In plain English
A medium-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 7% of all known vulnerabilities).
Official description
A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could 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-2026-90829 |
| Debian:13 | binutils | no fix listed | DEBIAN-CVE-2026-90829 |
| Debian:14 | binutils | no fix listed | DEBIAN-CVE-2026-90829 |
| Ubuntu:22.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-90829 |
| Ubuntu:24.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-90829 |
| Ubuntu:26.04:LTS | binutils | no fix listed | UBUNTU-CVE-2026-90829 |
| Ubuntu:26.10 | binutils | no fix listed | UBUNTU-CVE-2026-90829 |
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-403331 | GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereference vdb-entry, technical-description
- VDB-403331 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-90829 | CVE Analysis and Report third-party-advisory
- Submit #925228 | GNU Binutils 2.47 Memory Corruption third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34451 issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16883 exploit
- https://www.gnu.org/ broken-link, product