Description
The *regs* macros in opcodes/bfin-dis.c in GNU Binutils 2.28 allow remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted binary file, as demonstrated by mishandling of this file during "objdump -D" execution.
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 | 2.29-1 | — |
| Debian 13 | binutils | 2.29-1 | — |
| Debian 12 | binutils | 2.29-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | binutils | 2.26.1-1ubuntu1~16.04.8+esm1 | USN-4336-2 |
| Ubuntu Pro 14.04 LTS | binutils | No fix yet | — |
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.
Exploit-DB 1
- GNU binutils - 'decode_pseudodbg_assert_0' Buffer Overflow EDB-42201 · dos · Jun 19, 2017 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- USN-4336-2 binutils vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=21586
- GLSA-201801-01 vendor-advisory
- 99113 vdb-entry
- 42201 exploit