Description
GNU Binutils before 2.40 was discovered to contain an excessive memory consumption vulnerability via the function load_separate_debug_files at dwarf2.c. The attacker could supply a crafted ELF file and cause a DNS attack.
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 | 2.40-2 | — |
| Debian 13 | binutils | 2.40-2 | — |
| Debian 12 | binutils | 2.40-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | binutils | 2.38-4ubuntu2.6 | USN-6655-1 |
| Ubuntu 20.04 LTS | binutils | 2.34-6ubuntu1.9 | USN-6655-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | binutils | 2.30-21ubuntu1~18.04.9+esm3 | USN-6413-1 |
| Ubuntu Pro 16.04 LTS | binutils | 2.26.1-1ubuntu1~16.04.8+esm9 | USN-6413-1 |
| Ubuntu Pro 14.04 LTS | binutils | 2.24-5ubuntu14.2+esm5 | USN-6413-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES 15 SP4 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES 15 SP3 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES 15 SP2 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES 15 SP1 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | binutils | 2.41-9.53.1 | SUSE-SU-2023:3695-1 |
| SLES for SAP 15 SP3 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES for SAP 15 SP2 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES for SAP 15 SP1 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLES for SAP 12 SP5 | binutils | 2.41-9.53.1 | SUSE-SU-2023:3695-1 |
| SLE HPC 15 SP3 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLE HPC 15 SP2 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SLE HPC 15 SP1 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SUSE Manager Server 4.2 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SUSE Manager Proxy 4.2 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| SUSE Enterprise Storage 7.1 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | binutils | 2.41-1.2 | openSUSE-SU-2024:13411-1 |
| openSUSE Leap 15.5 | binutils +22 | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
| openSUSE Leap 15.4 | binutils | 2.41-150100.7.46.1 | SUSE-SU-2023:3825-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | binutils +2 | 2.39-6.amzn2023.0.9 | ALAS2023-2023-334 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | binutils | 2.37-10 | — |
Advisories 7
- USN-6413-1 binutils vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-6655-1 binutils vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- SUSE-SU-2023:3695-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13411-1 binutils-2.41-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:3825-1 Security update for binutils SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2165 binutils: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 14, 2024
- ALAS2023-2023-334 Moderate: binutils security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Sep 7, 2023