Description
A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the component Eh Frame Section Handler. Performing a manipulation of the argument cie_length/fde_length/augmentation_data_size/write_offset results in buffer overflow. Attacking locally is a requirement. The exploit is now public 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-403306 | GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overflow vdb-entry technical-description
- VDB-403306 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-90804 | CVE Analysis and Report third-party-advisory
- Submit #920281 | GNU Binutils 2.47 (version date 20260726) Heap-based Buffer Overflow third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34445 issue-tracking
- https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20write%20%20negative-size%20%60memmove%60%20%20SEGV%20in%20%60_bfd_elf_write_section_eh_frame%60%20(bfdelf-eh-frame.c2064%20%202083%20%202193)%20via%20malformed%20%60.eh_frame%60.md exploit
- https://www.gnu.org/ broken-link product