Description
A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. 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 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-403304 | GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference vdb-entry technical-description
- VDB-403304 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-90802 | CVE Analysis and Report third-party-advisory
- Submit #920277 | GNU Binutils 2.47 (version date 20260726) NULL Pointer Dereference third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34443 issue-tracking
- https://github.com/r1ck9-2q/cve_summit/blob/main/SEGV%20in%20%60bfd_putl64%60%20(bfdlibbfd.c989)%20during%20relocation%20output%20via%20malformed%20ELF.md exploit
- https://www.gnu.org/ broken-link product