CVE-2025-11083: binutils Buffer Overflow

Description

A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9ca499644a21ceb3f946d1c179c38a83be084490. To fix this issue, it is recommended to deploy a patch. The code maintainer replied with "[f]ixed for 2.46".

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
gnu	binutils	All

References

Advisories & Patches

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9ca499644a21ceb3f946d1c179c38a83be084490

Exploits

https://sourceware.org/bugzilla/show_bug.cgi?id=33457 https://sourceware.org/bugzilla/show_bug.cgi?id=33457#c1 https://sourceware.org/bugzilla/show_bug.cgi?id=33457 https://sourceware.org/bugzilla/show_bug.cgi?id=33457#c1

Other References

https://sourceware.org/bugzilla/attachment.cgi?id=16353 https://vuldb.com/?ctiid.326124 https://vuldb.com/?id.326124 https://vuldb.com/?submit.661277 https://www.gnu.org/ https://cert-portal.siemens.com/productcert/html/ssa-082556.html

Frequently Asked Questions

What is CVE-2025-11083? +

A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9ca499644a21ceb3f946d1c179c38a83be084490. To fix this issue, it is recommended to deploy a patch. The code maintainer replied with "[f]ixed for 2.46". It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-11083? +

CVE-2025-11083 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-11083? +

CVE-2025-11083 affects products from gnu, specifically: binutils. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11083? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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