CVE-2026-91782GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference
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A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The attack requires a local approach. The exploit is now public and may be used. Upgrading to version 2.48 addresses this issue. The patch is identified as d1268210b6f6/471130b39c0/283d3198bed/0a84e560216/a692a633d40. Upgrading the affected component is recommended.
- 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 17, 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/404053vdb-entry, technical-description, permissions-required
- https://vuldb.com/vuln/404053/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-91782third-party-advisory
- https://vuldb.com/submit/933335third-party-advisory, exploit
- https://sourceware.org/bugzilla/show_bug.cgi?id=34448broken-link, issue-tracking, exploit, third-party-advisory
- https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448exploit, 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.