#VU103995 Heap-based buffer overflow in Binutils - CVE-2025-1176

Vulnerability identifier: #VU103995

Vulnerability risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-1176

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Binutils
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the _bfd_elf_gc_mark_rsec() function in bfd/elflink.c within the ld binary. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Binutils: 2.7 - 2.43.1

---

External links
https://sourceware.org/bugzilla/attachment.cgi?id=15913
https://sourceware.org/bugzilla/show_bug.cgi?id=32636
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f9978defb6fab0bd8583942d97c112b0932ac814
https://vuldb.com/?ctiid.295079
https://vuldb.com/?id.295079
https://vuldb.com/?submit.495329

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.