CVE-2025-7546: 
NixOS vulnerability analysis and mitigation

A vulnerability has been identified in GNU Binutils 2.45, specifically affecting the bfdelfsetgroupcontents function in the bfd/elf.c file. The vulnerability was disclosed on July 13, 2025, and has been assigned identifier CVE-2025-7546. This security flaw allows for an out-of-bounds write condition when manipulating certain ELF files (VulDB).

The vulnerability is classified as an out-of-bounds write issue (CWE-787) and has received a CVSS 4.0 score of 4.8 (Medium) with the vector string CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P. Under CVSS 3.1, it scores 5.3 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L (NVD).

The vulnerability allows local attackers to perform out-of-bounds write operations, potentially leading to memory corruption. The attack can be launched locally and affects the system's memory integrity, with potential implications for system stability and security (VulDB).

A patch has been released with the identifier 41461010eb7c79fee7a9d5f6209accdaac66cc6b. It is strongly recommended to apply this patch to affected systems to remediate the vulnerability (VulDB).