← Vulnerability feed

Vulnerability record · CVE-2026-91781 · published 15 September 2026

CVE-2026-91781: Gnu binutils improper resource shutdown vulnerability

Gnu · Binutils

A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.

1.9 CVSS 4.0 Low EPSS 0.18% · top 93.8% CWE-404 · Improper resource shutdownCWE-476 · NULL pointer dereference
1.9CVSS 4.0 base score, v2 1.7
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 1 tagged exploit
16 Sep 2026Last modified by NVD

Description

A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449 Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34449 ExploitThird Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68 Third Party Advisory
https://vuldb.com/cve/CVE-2026-91781 Third Party Advisory
https://vuldb.com/submit/933336 Third Party Advisory
https://vuldb.com/vuln/404052 Third Party Advisory
https://vuldb.com/vuln/404052/cti Permissions Required
https://www.gnu.org/ Product

Track CVE-2026-91781 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-12699Gnu binutils out-of-bounds write vulnerabilityfinish_stab in stabs.c in GNU Binutils 2.30 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified o…EPSS 4.5%9.8CVE-2017-7614Gnu binutils null pointer dereference vulnerabilityelflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, has a "member access within null pointer" un…EPSS 3.8%9.8CVE-2014-9939Gnu binutils memory buffer overflow vulnerabilityihex.c in GNU Binutils before 2.26 contains a stack buffer overflow when printing bad bytes in Intel Hex objects.EPSS 2.3%9.1CVE-2017-7226Gnu binutils out-of-bounds read vulnerabilityThe pe_ILF_object_p function in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to a heap-b…EPSS 2.5%9.1CVE-2017-6969Gnu binutils out-of-bounds read vulnerabilityreadelf in GNU Binutils 2.28 is vulnerable to a heap-based buffer over-read while processing corrupt RL78 binaries. The vulnerability can trigger pro…EPSS 3.7%8.8CVE-2020-19726Gnu binutils uncontrolled resource consumption vulnerabilityAn issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data allows attackers to read or write to system memory or cause a…EPSS 0.75%7.8CVE-2026-6846Gnu binutils heap-based buffer overflow vulnerabilityA flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Form…EPSS 0.20%7.8CVE-2022-44840Gnu binutils out-of-bounds write vulnerabilityHeap buffer overflow vulnerability in binutils readelf before 2.40 via function find_section_in_set in file readelf.c.EPSS 0.49%

Source: NIST National Vulnerability Database (record CVE-2026-91781), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.