Buffer overflow in GNU Binutils
CVE-2025-7546
A vulnerability, which was classified as problematic, has been found in GNU Binutils 2.45. Affected by this issue is the function bfd_elf_set_group_contents of the file bfd/elf.c. The manipulation leads to out-of-bounds write. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The name of the patch is 41461010eb7c79fee7a9d5f6209accdaac66cc6b. It is recommended to apply a patch to fix this issue.
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: 0.002 (7.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- GNU Binutils — versions 2.45
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-316244 | GNU Binutils elf.c bfd_elf_set_group_contents out-of-bounds write (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-316244 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #614375 | GNU binutils--gdb 2.45 Out-of-bounds Write (Third Party Advisory, VDB Entry, third-party-advisory)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Broken Link)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Broken Link)
- sourceware.org/bugzilla/attachment.cgi (exploit, Broken Link)
- sourceware.org/git/gitweb.cgi (patch, Broken Link)
- www.gnu.org/ (Product, product)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-7546?
- CVE-2025-7546 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 2025-07-13.
- How severe is CVE-2025-7546?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-7546 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.