Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-91782

CVE-2026-91782LOW

GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   L   L   N   L   N   N   N   L    1.9   .0018    6.3     —

AFFECTED
  Product   Versions  Fixed
  Binutils  2.47 –    2.48

TIMELINE
  Sep 15  Reserved by VulDB
  Sep 15  Published (CNA: VulDB)
  Sep 16  EXPLOIT PUBLISHED — CVE-2026-91782 (GNU Binutils). Public exploit reference added.

CWE-404, CWE-476 · CNA: VulDB · CVSS v4.0 · 7 references · NVD status: Analyzed

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 15, 2026	Reserved	Reserved by VulDB
September 15, 2026	Published	Published (CNA: VulDB)
September 16, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-91782 (GNU Binutils). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
GNU	Binutils	—	2.47	2.48

Weaknesses

CWE-404 · CWE-476

References (7)

https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34448 [Third Party Advisory]
https://sourceware.org/bugzilla/show_bug.cgi?id=34448 [Exploit, Third Party Advisory]
https://vuldb.com/cve/CVE-2026-91782 [Third Party Advisory]
https://vuldb.com/submit/933335 [Exploit]
https://vuldb.com/vuln/404053 [Permissions Required]
https://vuldb.com/vuln/404053/cti [Permissions Required]
https://www.gnu.org/ [Product]

Authoritative record: CVE-2026-91782 at cve.org

Vendors: gnu

Weaknesses: CWE-404 · CWE-476

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-91782 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.