Description
A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing a manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks.
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 | 2.45-7ubuntu1.1 | USN-7899-1 |
| Ubuntu 24.04 LTS | binutils | 2.42-4ubuntu2.7 | USN-7899-1 |
| Ubuntu 22.04 LTS | binutils | 2.38-4ubuntu2.11 | USN-7899-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | binutils | 2.34-6ubuntu1.11+esm1 | USN-7899-1 |
| Ubuntu Pro 18.04 LTS | binutils | 2.30-21ubuntu1~18.04.9+esm5 | USN-7899-1 |
| Ubuntu Pro 16.04 LTS | binutils | 2.26.1-1ubuntu1~16.04.8+esm13 | USN-7899-1 |
| Ubuntu Pro 14.04 LTS | binutils | 2.24-5ubuntu14.2+esm7 | USN-7899-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | binutils +3 | 2.45.1-5.hum1 | RHSA-2026:7098 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | binutils | 2.47-1.1 | openSUSE-SU-2026:11932-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | binutils | 2.41-11 | — |
| Azure Linux 2 (CBL-Mariner) | binutils | 2.37-20 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | binutils +2 | 2.45.1-r0 | — |
| Wolfi rolling | binutils-dev | 2.45.1-r1 | — |
Advisories 6
- 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
- SSA-082556 SSA-082556: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.5 Siemens ProductCERT · Oct 13, 2026
- WID-SEC-2025-2327 binutils: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Oct 5, 2026
- openSUSE-SU-2026:11932-1 binutils-2.47-1.1 on GA media SUSE / openSUSE Security Updates · Oct 1, 2026
- USN-7899-1 binutils vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- ICSA-25-162-05 Siemens SIMATIC S7-1500 CPU family CISA ICS & IT advisories · May 14, 2026
References
- VDB-328774 | GNU Binutils prdbg.c tg_tag_type return value vdb-entry technical-description
- VDB-328774 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #661279 | GNU Binutils 2.45 Unexpected Status Code or Return Value third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=33448 issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16344 exploit
- https://www.gnu.org/ product