Buffer overflow in GNU Binutils
CVE-2025-11082
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".
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (15.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- GNU Binutils — versions 2.45
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-326123 | GNU Binutils Linker elf-eh-frame.c _bfd_elf_parse_eh_frame heap-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-326123 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #661276 | GNU Binutils 2.45 Heap-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, Issue Tracking)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, Issue Tracking)
- sourceware.org/bugzilla/attachment.cgi (exploit, Broken Link)
- sourceware.org/git/gitweb.cgi (Patch, patch)
- www.gnu.org/ (Product, product)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-11082?
- CVE-2025-11082 is a medium-severity vulnerability in GNU Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-09-27.
- How severe is CVE-2025-11082?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-11082 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.