Description
A vulnerability has been found in GNU elfutils 0.192 and classified as critical. This vulnerability affects the function __libdw_thread_tail in the library libdw_alloc.c of the component eu-readelf. The manipulation of the argument w leads to memory corruption. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 2636426a091bd6c6f7f02e49ab20d4cdc6bfc753. It is recommended to apply a patch to fix this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GNU | elfutils | 0.192 | — |
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 | elfutils | No fix yet | — |
| Debian 13 | elfutils | No fix yet | — |
| Debian 12 | elfutils | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | elfutils | No fix yet | — |
| Ubuntu 25.10 | elfutils | No fix yet | — |
| Ubuntu 24.04 LTS | elfutils | No fix yet | — |
| Ubuntu 22.04 LTS | elfutils | No fix yet | — |
| Ubuntu 20.04 LTS | elfutils | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP7 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP6 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP6 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP5 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP5 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP4 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES 15 SP4 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP5 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES for SAP 15 SP5 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES for SAP 15 SP4 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLES for SAP 15 SP4 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE Micro 5.5 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE Micro 5.4 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE Micro 5.3 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE HPC 15 SP5 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE HPC 15 SP5 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE HPC 15 SP4 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SLE HPC 15 SP4 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SUSE Manager Server LTS 4.3 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SUSE Manager Server LTS 4.3 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SUSE Manager Proxy LTS 4.3 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| SUSE Manager Proxy LTS 4.3 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | elfutils | 0.185-150400.5.8.3 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
| openSUSE Leap 15.6 | elfutils-debuginfod | 0.185-150400.5.8.2 | SUSE-SU-2025:4092-1, SUSE-RU-2025:4092-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | elfutils +8 | 0.188-3.amzn2023.0.3 | ALAS2023-2025-969 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | elfutils | 0.189-5 | — |
Advisories 6
- ICSA-26-188-05 Siemens SINEC OS CISA ICS & IT advisories · Jul 7, 2026
- SSA-253495 SSA-253495: Multiple Vulnerabilities in SINEC OS before V4.0 Siemens ProductCERT · Jun 2, 2026
- WID-SEC-2026-0778 Dell Secure Connect Gateway Policy Manager: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 11, 2026
- SUSE-SU-2025:4092-1 Security update for elfutils SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-RU-2025:4092-1 Security update for elfutils SUSE / openSUSE Security Updates · Mar 23, 2026
- ALAS2023-2025-969 Moderate: elfutils security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 13, 2025
References
- VDB-295960 | GNU elfutils eu-readelf libdw_alloc.c __libdw_thread_tail memory corruption vdb-entry technical-description
- VDB-295960 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #495965 | GNU elfutils/eu-readelf 0.192 illegal read access third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=32650 issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=15923 exploit
- https://sourceware.org/bugzilla/show_bug.cgi?id=32650#c2 issue-tracking patch
- https://www.gnu.org/ product