A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be exploited.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Gnu
  • Binutils

Configuration 1 [-]

cpe:2.3:a:gnu:binutils:2.45:*:*:*:*:*:*:*

No data.

References
Link Providers
https://nvd.nist.gov/vuln/detail/CVE-2025-11839 cve-icon
https://sourceware.org/bugzilla/attachment.cgi?id=16344 cve-icon cve-icon cve-icon
https://sourceware.org/bugzilla/show_bug.cgi?id=33448 cve-icon cve-icon cve-icon cve-icon
https://vuldb.com/?ctiid.328774 cve-icon cve-icon cve-icon
https://vuldb.com/?id.328774 cve-icon cve-icon cve-icon
https://vuldb.com/?submit.661279 cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-11839 cve-icon
https://www.gnu.org/ cve-icon cve-icon cve-icon
History

Tue, 21 Oct 2025 18:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:gnu:binutils:2.45:*:*:*:*:*:*:*

Mon, 20 Oct 2025 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Gnu
Gnu binutils
Vendors & Products Gnu
Gnu binutils

Fri, 17 Oct 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 threat_severity

Low

Thu, 16 Oct 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 16 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be exploited.
Title GNU Binutils prdbg.c tg_tag_type return value
Weaknesses CWE-252
CWE-253
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-10-16T14:02:13.689Z

Updated: 2025-10-16T14:15:03.591Z

Reserved: 2025-10-16T08:31:52.156Z

Link: CVE-2025-11839

cve-icon Vulnrichment

Updated: 2025-10-16T14:14:50.292Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2025-10-16T14:15:34.860

Modified: 2025-10-21T18:32:14.617

Link: CVE-2025-11839

cve-icon Redhat

Severity : Low

Publid Date: 2025-10-16T14:02:13Z

Links: CVE-2025-11839 - Bugzilla