Heap-based Buffer Overflow in GNU Binutils Linker
CVE-2025-11082

4.8MEDIUM

Key Information:

Vendor

Gnu
Status
Binutils
Vendor
CVE Published:
27 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-11082?

A flaw in GNU Binutils version 2.45 affects the _bfd_elf_parse_eh_frame function, which is part of the Linker component. The vulnerability allows for a heap-based buffer overflow that can be exploited through local execution. Given the potential for exploitation, it has become crucial for users to apply the patch identified as ea1a0737c7692737a644af0486b71e4a392cbca8. The maintainer has confirmed that the issue has been resolved in version 2.46.

Affected Version(s)

Binutils 2.45

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-2025-11082 - Proof of Concept

References

https://vuldb.com/?id.326123
vdb-entrytechnical-description
https://vuldb.com/?ctiid.326123
signaturepermissions-required
https://vuldb.com/?submit.661276
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

JJLeo (VulDB User)
JSON
.
CVE-2025-11082 : Heap-based Buffer Overflow in GNU Binutils Linker