NULL pointer dereference in GNU Binutils
CVE-2026-91779
A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_offset of the file bfd/elf-eh-frame.c of the component Eh Frame Handler. Performing a manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (6.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.3% 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 2.47
Weakness classification (CWE)
References
- vuldb.com/vuln/404050 (technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/404050/cti (signature, Permissions Required, permissions-required)
- vuldb.com/cve/CVE-2026-91779 (Third Party Advisory, third-party-advisory)
- vuldb.com/submit/933333 (Third Party Advisory, third-party-advisory)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Third Party Advisory)
- github.com/Ech06/CVE_submit/blob/main/bugzilla/issues/34446.md (issue-tracking, Third Party Advisory, exploit)
- www.gnu.org/ (Product, product, broken-link)
Frequently asked questions
- What is CVE-2026-91779?
- CVE-2026-91779 is a low-severity vulnerability in GNU Binutils, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-09-15.
- How severe is CVE-2026-91779?
- Low severity. CVSS v3 base score is 3.3 out of 10.