CVE-2025-11082: GNU Binutils Linker elf-eh-frame.c _bfd_elf_parse_eh_frame heap-based overflow

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-09-27 · updated 2026-10-09
Weakness: CWE-119

Description

A flaw has been found in GNU Binutils 2.45. Impacted is the function _bfd_elf_parse_eh_frame of the file bfd/elf-eh-frame.c of the component Linker. Executing manipulation can lead to heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be used. This patch is called ea1a0737c7692737a644af0486b71e4a392cbca8. A patch should be applied to remediate this issue. The code maintainer replied with "[f]ixed for 2.46".

Affected products

GNU Binutils: 2.45

References

https://sourceware.org/bugzilla/attachment.cgi?id=16358
https://sourceware.org/bugzilla/show_bug.cgi?id=33464
https://sourceware.org/bugzilla/show_bug.cgi?id=33464#c2
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ea1a0737c7692737a644af0486b71e4a392cbca8
https://vuldb.com/?ctiid.326123
https://vuldb.com/?id.326123
https://vuldb.com/?submit.661276
https://www.gnu.org/
https://cert-portal.siemens.com/productcert/html/ssa-082556.html

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