Description
A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | Binutils | 2.47 | 2.48 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | binutils | No fix yet | — |
| Debian 13 | binutils | No fix yet | — |
| Debian 12 | binutils | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | binutils | No fix yet | — |
| Ubuntu 26.04 LTS | binutils | No fix yet | — |
| Ubuntu 24.04 LTS | binutils | No fix yet | — |
| Ubuntu 22.04 LTS | binutils | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | binutils | No fix yet | — |
| Ubuntu Pro 18.04 LTS | binutils | No fix yet | — |
| Ubuntu Pro 16.04 LTS | binutils | No fix yet | — |
| Ubuntu Pro 14.04 LTS | binutils | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | binutils +3 | 2.46.1-1.2.hum1 | RHSA-2026:67961 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | binutils | 2.47-2.1 | openSUSE-SU-2026:12315-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | binutils | 2.41-14 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | binutils +3 | No fix yet | — |
Advisories 3
- openSUSE-SU-2026:12315-1 binutils-2.47-2.1 on GA media SUSE / openSUSE Security Updates · Oct 29, 2026
- RHSA-2026:67961 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- WID-SEC-2026-3387 binutils: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 15, 2026
References
- VDB-404052 | GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference vdb-entry technical-description
- VDB-404052 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-91781 | CVE Analysis and Report third-party-advisory
- Submit #933336 | GNU GNU Binutils binutils 2.47 NULL Pointer Dereference third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34449 issue-tracking
- https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449 exploit
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68 broken-link patch
- https://www.gnu.org/ broken-link product