CVE-2026-90830GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference

Description

A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a bug report but has not responded yet.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• VDB-403332 | GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference vdb-entrytechnical-descriptionThird Party Advisory
• VDB-403332 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-requiredPermissions Required
• CVE-2026-90830 | CVE Analysis and Report third-party-advisoryThird Party Advisory
• Submit #925229 | GNU Binutils 2.47 Memory Corruption third-party-advisoryThird Party Advisory
• https://sourceware.org/bugzilla/show_bug.cgi?id=34452 issue-trackingThird Party AdvisoryIssue Tracking
• https://sourceware.org/bugzilla/attachment.cgi?id=16884 exploitThird Party AdvisoryIssue Tracking
• https://www.gnu.org/ broken-linkproductProduct