Memory Corruption Vulnerability in GNU Binutils by GNU
CVE-2025-5244

4.8MEDIUM

Key Information:

Vendor

Gnu
Status
Binutils
Vendor
CVE Published:
27 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5244?

A serious vulnerability exists in the GNU Binutils up to version 2.44, specifically within the elf_gc_sweep function of the ld component in elflink.c. This flaw can lead to memory corruption, allowing an attacker to manipulate memory in a way that might compromise the system. The exploit requires local access, which limits risk but still poses a significant threat, particularly if exploited. It has been publicly disclosed, making immediate action necessary. Users are strongly advised to upgrade their installations to version 2.45 or later to mitigate this risk effectively.

Affected Version(s)

Binutils 2.0

Binutils 2.1

Binutils 2.2

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-2025-5244 - Proof of Concept

References

https://vuldb.com/?id.310346
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310346
signaturepermissions-required
https://vuldb.com/?submit.584634
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

lcyf-fizz (VulDB User)
.
CVE-2025-5244 : Memory Corruption Vulnerability in GNU Binutils by GNU