CVE-2026-90830: NULL Pointer Dereference in GNU Binutils
CVE-2026-90830 is a medium severity vulnerability in GNU Binutils 2.47 involving a null pointer dereference in the _bfd_write_merged_section function within the Section Merge component. The issue requires local access to exploit and does not require user interaction. The vulnerability has been publicly disclosed, but no official vendor response or patch is currently available.
AI Analysis
Technical Summary
This vulnerability affects GNU Binutils version 2.47 specifically in the _bfd_write_merged_section function of the bfd/merge.c file. The flaw causes a null pointer dereference when manipulating sections during the merge process. Exploitation requires local access with low complexity and privileges, and no user interaction is needed. The vulnerability was reported early to the project, but no fix or official advisory has been published yet. Public exploit details have been disclosed.
Potential Impact
Successful exploitation of this vulnerability can lead to a null pointer dereference, which typically results in a denial of service (application crash) on the affected system. Since the attack requires local access and low privileges, the impact is limited to local disruption rather than remote compromise or privilege escalation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch has been released by the GNU Binutils project, users should monitor for updates and consider restricting local access to trusted users until a patch is available.
CVE-2026-90830: NULL Pointer Dereference in GNU Binutils
Description
CVE-2026-90830 is a medium severity vulnerability in GNU Binutils 2.47 involving a null pointer dereference in the _bfd_write_merged_section function within the Section Merge component. The issue requires local access to exploit and does not require user interaction. The vulnerability has been publicly disclosed, but no official vendor response or patch is currently available.
CVSS v4.0
Score 4.8medium
Affected software
GNU
Binutils
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects GNU Binutils version 2.47 specifically in the _bfd_write_merged_section function of the bfd/merge.c file. The flaw causes a null pointer dereference when manipulating sections during the merge process. Exploitation requires local access with low complexity and privileges, and no user interaction is needed. The vulnerability was reported early to the project, but no fix or official advisory has been published yet. Public exploit details have been disclosed.
Potential Impact
Successful exploitation of this vulnerability can lead to a null pointer dereference, which typically results in a denial of service (application crash) on the affected system. Since the attack requires local access and low privileges, the impact is limited to local disruption rather than remote compromise or privilege escalation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch has been released by the GNU Binutils project, users should monitor for updates and consider restricting local access to trusted users until a patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-13T19:21:30.799Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa8796755bf5e2cf5beeb20
Added to database: 09/14/2026, 22:47:03 UTC
Last enriched: 09/14/2026, 23:01:26 UTC
Last updated: 09/14/2026, 23:21:27 UTC
Views: 5
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