CVE-2026-91780

ℹ️ low

Summary

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

CVSS Score

3.3

Low

EPSS Score

0.1

Exploit Probability

Published Date

2026-09-15

First Seen: 2026-09-16

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 2.8% of all 358,566 vulnerabilities in our database.

#348,692

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Sep 15, 2026

🔍 Exploitation Status

Poc

Proof-of-concept available

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Ech06 (VulDB User) (reporter) VulDB CNA Team (coordinator)

SSVC data provided by CISA

Last Modified 2026-09-16

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS Vector 4.0

CVSS:4.0/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

CWE IDs (Weakness Types)

CWE-404 CWE-476

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
gnu	binutils	Affected	v2.47

🔗 References 7

https://github.com/Ech06/CVE_submit/tree/main/bugzil...

Third Party Advisory

https://sourceware.org/bugzilla/show_bug.cgi?id=34447

Third Party Advisory

https://vuldb.com/cve/CVE-2026-91780

Third Party Advisory

https://vuldb.com/submit/933334

Third Party Advisory

https://vuldb.com/vuln/404051

Third Party Advisory

https://vuldb.com/vuln/404051/cti

Permissions Required

https://www.gnu.org/

Product

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-91779	ℹ️ low	3.3	0.1	A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_offset of ...	2026-09-15
CVE-2026-91781	ℹ️ low	3.3	0.1	A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_inde...	2026-09-15
CVE-2026-91782	ℹ️ low	3.3	0.1	A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynre...	2026-09-15
CVE-2026-90829	🔶 medium	5.3	0.2	A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_contents of the f...	2026-09-14
CVE-2026-90830	🔶 medium	5.3	0.2	A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of t...	2026-09-14
CVE-2026-90831	🔶 medium	5.3	0.2	A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref of the fi...	2026-09-14

These CVEs affect the same products