CVE-2025-11495 - CVE House

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Status published Medium CVE-2025-11495

GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow

4.8 CVSS

Vulnerability Description

A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Yifan Zhang (VulDB User)

References

More from GNU

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GNU libopts __strstr_sse2 memory corruption

GNU cflow Lexer c.c yylex buffer overflow

GNU cflow Lexer c.c yylex null pointer dereference

GNU Binutils DWARF Section dwarf.c process_debug_info memory leak

GNU Binutils BFD Library elf.c bfd_elf_get_str_section null pointer dereference

Affected Vendor

GNU

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Affected Software

Binutils

Vulnerable Versions:

2.45

Timeline

Official Publish: October 8th, 2025

Last Modified: July 14th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Weaknesses (CWE)

CWE-122 CWE-119

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control