CVE-2026-91781GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-476, CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Sep 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GNU Binutils gnu:binutils | 2.47; 2.48 not affected | CNA record |
gnu binutils gnu:binutils | 2.47 | NVD |
References
- https://vuldb.com/vuln/404052vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/vuln/404052/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-91781third-party-advisory
- https://vuldb.com/submit/933336third-party-advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=34449issue-tracking, exploit, third-party-advisory
- https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449exploit, third-party-advisory
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68broken-link, patch, third-party-advisory
- https://www.gnu.org/broken-link, product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.