Null Pointer Dereference Vulnerability in GNU Binutils by GNU
CVE-2026-90829

4.8MEDIUM

Key Information:

Vendor

Gnu
Status
Binutils
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90829?

A vulnerability has been detected in GNU Binutils 2.47, specifically within the bfd_elf_set_group_contents function located in the SHT_GROUP Section Handler. This flaw can result in a null pointer dereference, potentially leading to unexpected behaviors. The exploit requires local access to launch an attack and has been made publicly available, increasing the risk of exploitation. Despite earlier notifications through a bug report, there has been no response from the project maintainers regarding this issue.

Affected Version(s)

Binutils 2.47

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90829 - Proof of Concept

References

https://vuldb.com/vuln/403331
vdb-entrytechnical-description
https://vuldb.com/vuln/403331/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90829
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wsstssw (VulDB User)
VulDB CNA Team
.