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Medium severity · published Sep 14, 2026
CVE-2026-90830
GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference
5.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Binutils · GNU
2.47 · source: vendor, NVD
Affected product
BI
Binutils
GNU
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90830
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90830
Third Party Advisory
https://sourceware.org/bugzilla/attachment.cgi?id=16884
Third Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34452
Third Party Advisory
https://vuldb.com/cve/CVE-2026-90830
Third Party Advisory
https://vuldb.com/submit/925229
Third Party Advisory
https://vuldb.com/vuln/403332
Permissions Required
https://vuldb.com/vuln/403332/cti
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