CVE-2025-11083

GNU Binutils Linker elfcode.h elf_swap_shdr heap-based overflow

HIGH
7.8
CVSS Score
Published: September 27, 2025 at 11:02 PM UTC
Updated: October 15, 2026 at 01:02 AM UTC
4 products affected across 2 vendorsBinutilsSIMATIC S7-1500 CPU 1518-4 Pn /dp MFP FirmwareSiplus S7-1500 CPU 1518-4 Pn /dp MFP Firmware

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
PoC

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".

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.326124
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.326124
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.661277
Issue TrackingExploit
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=33457
Issue TrackingExploit
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=33457#c1
Product
Source: cverecord
https://www.gnu.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-119

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