CVE-2026-91779
GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference
Description
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.
INFO
Published Date :
Sept. 15, 2026, 9:16 a.m.
Last Modified :
Sept. 16, 2026, 3:28 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update GNU Binutils to the latest version.
- Apply patches provided by the vendor.
- Recompile and redeploy affected components.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-91779.
| URL | Resource |
|---|---|
| https://github.com/Ech06/CVE_submit/blob/main/bugzilla/issues/34446.md | Third Party Advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=34446 | Third Party Advisory |
| https://vuldb.com/cve/CVE-2026-91779 | Third Party Advisory |
| https://vuldb.com/submit/933333 | Third Party Advisory |
| https://vuldb.com/vuln/404050 | Third Party Advisory |
| https://vuldb.com/vuln/404050/cti | Permissions Required |
| https://www.gnu.org/ | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-91779 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-91779
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-91779 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-91779 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 16, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/Ech06/CVE_submit/blob/main/bugzilla/issues/34446.md Types: Third Party Advisory Added Reference Type VulDB: https://sourceware.org/bugzilla/show_bug.cgi?id=34446 Types: Third Party Advisory Added Reference Type VulDB: https://vuldb.com/cve/CVE-2026-91779 Types: Third Party Advisory Added Reference Type VulDB: https://vuldb.com/submit/933333 Types: Third Party Advisory Added Reference Type VulDB: https://vuldb.com/vuln/404050 Types: Third Party Advisory Added Reference Type VulDB: https://vuldb.com/vuln/404050/cti Types: Permissions Required Added Reference Type VulDB: https://www.gnu.org/ Types: Product -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 15, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-91779', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-15T13:41:56.909614Z'} -
New CVE Received by [email protected]
Sep. 15, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-476 Added CWE CWE-404 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/91xxx/CVE-2026-91779.json">CVE-2026-91779</a> Added Reference https://github.com/Ech06/CVE_submit/blob/main/bugzilla/issues/34446.md Added Reference https://sourceware.org/bugzilla/show_bug.cgi?id=34446 Added Reference https://vuldb.com/cve/CVE-2026-91779 Added Reference https://vuldb.com/submit/933333 Added Reference https://vuldb.com/vuln/404050 Added Reference https://vuldb.com/vuln/404050/cti Added Reference https://www.gnu.org/