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Vulnerability record · CVE-2025-0840 · published 29 January 2025

CVE-2025-0840: Gnu binutils memory buffer overflow vulnerability

Gnu · Binutils

A vulnerability, which was classified as problematic, was found in GNU Binutils up to 2.43. This affects the function disassemble_bytes of the file binutils/objdump.c. The manipulation of the argument buf leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.44 is able to address this issue. The identifier of the patch is baac6c221e9d69335bf41366a1c7d87d8ab2f893. It is recommended to upgrade the affected component.

6.3 CVSS 4.0 Medium EPSS 0.75% · top 47.0% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
6.3CVSS 4.0 base score, v2 5.1
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as problematic, was found in GNU Binutils up to 2.43. This affects the function disassemble_bytes of the file binutils/objdump.c. The manipulation of the argument buf leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.44 is able to address this issue. The identifier of the patch is baac6c221e9d69335bf41366a1c7d87d8ab2f893. It is recommended to upgrade the affected component.

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sourceware.org/bugzilla/attachment.cgi?id=15882 Broken Link
https://sourceware.org/bugzilla/show_bug.cgi?id=32560 ExploitIssue Tracking
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=baac6c221e9d69335bf41366a1c7d87d8ab2f893 Patch
https://vuldb.com/?ctiid.293997 Permissions RequiredVDB Entry
https://vuldb.com/?id.293997 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.485255 ExploitThird Party AdvisoryVDB Entry
https://www.gnu.org/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-0840), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.