Description
A vulnerability classified as problematic was found in GNU Binutils 2.45. Affected by this vulnerability is the function copy_section of the file binutils/objcopy.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The patch is named 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944. It is recommended to apply a patch to fix 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 | 2.45-3 | — |
| 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 | 2.42-4ubuntu2.6 | USN-7899-1, USN-7847-1 |
| Ubuntu 22.04 LTS | binutils | 2.38-4ubuntu2.10 | USN-7899-1, USN-7847-1 |
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+esm12 | USN-7899-1, USN-7718-1 |
| Ubuntu Pro 14.04 LTS | binutils | 2.24-5ubuntu14.2+esm7 | USN-7899-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP7 | openucx | 1.17.0-150700.4.2.7 | SUSE-SU-2025:4096-1 |
| SLES 15 SP7 | perf | 6.4.0.git54263.0aad576b1c-150700.3.2.2 | SUSE-SU-2025:4096-1 |
| SLES 15 SP6 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP6 | openucx | 1.15.0-150600.3.5.2 | SUSE-SU-2025:4096-1 |
| SLES 15 SP6 | perf | 6.4.0.git33229.a3afe13a7f-150600.3.17.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP5 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP5 | openucx | 1.13.1-150500.4.2.5 | SUSE-SU-2025:4096-1 |
| SLES 15 SP5 | perf | 5.14.21-150500.52.5.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP4 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP4 | openucx | 1.11.1-150400.4.2.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP4 | perf | 5.14.21-150400.44.20.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP3 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES 15 SP3 | openucx | 1.9.0-150300.4.2.5 | SUSE-SU-2025:4096-1 |
| SLES 15 SP3 | perf | 5.3.18-150300.38.7.1 | SUSE-SU-2025:4096-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | binutils | 2.45-160000.1.1 | SUSE-SU-2025:21195-1 |
| SLES for SAP 16.0 | bpftool | 7.5.0-160000.2.3 | SUSE-SU-2025:21195-1 |
| SLES for SAP 15 SP5 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP5 | openucx | 1.13.1-150500.4.2.5 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP5 | perf | 5.14.21-150500.52.5.1 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP4 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP4 | openucx | 1.11.1-150400.4.2.1 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP4 | perf | 5.14.21-150400.44.20.1 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP3 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP3 | openucx | 1.9.0-150300.4.2.5 | SUSE-SU-2025:4096-1 |
| SLES for SAP 15 SP3 | perf | 5.3.18-150300.38.7.1 | SUSE-SU-2025:4096-1 |
| SLES 16.0 | binutils | 2.45-160000.1.1 | SUSE-SU-2025:21195-1 |
| SLES 16.0 | bpftool | 7.5.0-160000.2.3 | SUSE-SU-2025:21195-1 |
| SLE Micro 6.2 | binutils | 2.45-160000.1.1 | SUSE-SU-2025:21197-1 |
| SLE HPC 15 SP5 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP5 | openucx | 1.13.1-150500.4.2.5 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP5 | perf | 5.14.21-150500.52.5.1 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP4 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP4 | openucx | 1.11.1-150400.4.2.1 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP4 | perf | 5.14.21-150400.44.20.1 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP3 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP3 | openucx | 1.9.0-150300.4.2.5 | SUSE-SU-2025:4096-1 |
| SLE HPC 15 SP3 | perf | 5.3.18-150300.38.7.1 | SUSE-SU-2025:4096-1 |
| SUSE Manager Server LTS 4.3 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SUSE Manager Server LTS 4.3 | openucx | 1.11.1-150400.4.2.1 | SUSE-SU-2025:4096-1 |
| SUSE Manager Proxy LTS 4.3 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SUSE Manager Proxy LTS 4.3 | openucx | 1.11.1-150400.4.2.1 | SUSE-SU-2025:4096-1 |
| SUSE Enterprise Storage 7.1 | binutils | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| SUSE Enterprise Storage 7.1 | openucx | 1.9.0-150300.4.2.5 | SUSE-SU-2025:4096-1 |
| SUSE Enterprise Storage 7.1 | perf | 5.3.18-150300.38.7.1 | SUSE-SU-2025:4096-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | binutils | 2.45-1.2 | openSUSE-SU-2025:15651-1 |
| openSUSE Tumbleweed | mingw32-binutils +1 | 2.45.1-2.1 | openSUSE-SU-2026:10331-1, openSUSE-SU-2026:10330-1 |
| openSUSE Leap 16.0 | binutils +25 | 2.45-160000.1.1 | openSUSE-SU-2025:20150-1 |
| openSUSE Leap 16.0 | bpftool | 7.5.0-160000.2.3 | openSUSE-SU-2025:20150-1 |
| openSUSE Leap 15.6 | binutils +24 | 2.45-150100.7.57.1 | SUSE-SU-2025:4096-1 |
| openSUSE Leap 15.6 | openucx | 1.15.0-150600.3.5.2 | SUSE-SU-2025:4096-1 |
| openSUSE Leap 15.6 | perf | 6.4.0.git33229.a3afe13a7f-150600.3.17.1 | SUSE-SU-2025:4096-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | golang +6 | 1.24.6-1.amzn2.0.1 | ALAS2-2025-2984 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | binutils | 2.41-7 | — |
| Azure Linux 2 (CBL-Mariner) | binutils | 2.37-16 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | binutils +1 | 2.45.1-r0 | — |
| Wolfi rolling | binutils-dev | 2.45.1-r1 | — |
| Wolfi rolling | binutils-doc | 2.45-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
alxsourin/Firmware-CVE-2025-7545 ★ 0 · Jan 20, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 17
- WID-SEC-2026-2189 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026
- SSA-265688 SSA-265688: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.1 Siemens ProductCERT · Oct 13, 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
- USN-7899-1 binutils vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-7718-1 binutils vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- ICSA-25-162-05 Siemens SIMATIC S7-1500 CPU family CISA ICS & IT advisories · May 14, 2026
- ICSA-24-102-01 Siemens SIMATIC S7-1500 TM MFP CISA ICS & IT advisories · May 14, 2026
- USN-7847-1 binutils vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2025:20150-1 Security update for binutils SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2025:15651-1 binutils-2.45-1.2 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:4096-1 Security update for binutils SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21197-1 Security update for binutils SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2025:21195-1 Security update for binutils SUSE / openSUSE Security Updates · Mar 23, 2026
- WID-SEC-2025-1543 binutils: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Mar 15, 2026
- openSUSE-SU-2026:10331-1 mingw64-binutils-2.45.1-2.1 on GA media SUSE / openSUSE Security Updates · Mar 14, 2026
- openSUSE-SU-2026:10330-1 mingw32-binutils-2.45.1-2.1 on GA media SUSE / openSUSE Security Updates · Mar 14, 2026
- ALAS2-2025-2984 Important: golang security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 4, 2025
References
- VDB-316243 | GNU Binutils objcopy.c copy_section heap-based overflow vdb-entry technical-description
- VDB-316243 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #614355 | GNU binutils--gdb 2.45 Heap-based Buffer Overflow third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=33049 issue-tracking
- https://sourceware.org/bugzilla/show_bug.cgi?id=33049#c1 issue-tracking
- https://sourceware.org/bugzilla/attachment.cgi?id=16117 exploit
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944 patch
- https://www.gnu.org/ product