Description
A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | Binutils | 2.47 | — |
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 | 2.46.1-1.1.hum1 | RHSA-2026:47171 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | binutils +3 | No fix yet | — |
Advisories 2
- RHSA-2026:47171 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 17, 2026
- WID-SEC-2026-3364 binutils: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 14, 2026
References
- VDB-403332 | GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference vdb-entry technical-description
- VDB-403332 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-90830 | CVE Analysis and Report third-party-advisory
- Submit #925229 | GNU Binutils 2.47 Memory Corruption third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34452 issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16884 exploit
- https://www.gnu.org/ broken-link product