Description
A vulnerability was detected in GNU Binutils 2.45. This issue affects the function dump_dwarf_section of the file binutils/objdump.c. Performing manipulation results in out-of-bounds read. The attack is only possible with local access. The exploit is now public and may be used. The patch is named f87a66db645caf8cc0e6fc87b0c28c78a38af59b. It is suggested to install a patch to address this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | Binutils | 2.45 | — |
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 | 2.46-1 | — |
| Debian 13 | binutils | No fix yet | — |
| Debian 12 | binutils | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | binutils | 2.45-7ubuntu1.2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | binutils +3 | 2.45.1-5.hum1 | RHSA-2026:7098 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | binutils +2 | 2.45.1-r0 | — |
| Wolfi rolling | binutils-dev | 2.45.1-r1 | — |
Advisories 2
- RHSA-2026:7098 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- WID-SEC-2025-2144 binutils: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 5, 2026
References
- VDB-326122 | GNU Binutils objdump.c dump_dwarf_section out-of-bounds vdb-entry technical-description
- VDB-326122 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #661275 | GNU Binutils 2.45 Out-of-Bounds Read third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=33406 issue-tracking
- https://sourceware.org/bugzilla/show_bug.cgi?id=33406#c2 issue-tracking
- https://github.com/user-attachments/files/20623354/hdf5_crash_3.txt exploit
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f87a66db645caf8cc0e6fc87b0c28c78a38af59b patch
- https://www.gnu.org/ product