#VU103887 Stack-based buffer overflow in Binutils - CVE-2025-0840

Vulnerability identifier: #VU103887

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-2025-0840

CWE-ID: CWE-121

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 disassemble_bytes() function in binutils/objdump.c within the nm binary. A remote attacker can pass specially crafted input to the application, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Binutils: 2.7 - 2.43.1

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External links
https://sourceware.org/bugzilla/attachment.cgi?id=15882
https://sourceware.org/bugzilla/show_bug.cgi?id=32560
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=baac6c221e9d69335bf41366a1c7d87d8ab2f893
https://vuldb.com/?ctiid.293997
https://vuldb.com/?id.293997
https://vuldb.com/?submit.485255
https://www.gnu.org/

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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.