Low severity · published Sep 15, 2026
CVE-2026-91781
GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference
3.3
CVSS
0.2%
EPSS
No
On KEV
Description
A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 is able to address this issue. The identifier of the patch is 7322e9bc30cb282575a701c307851fd3d66fee68. It is suggested to upgrade the affected component.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91781
Third Party Advisory
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=34449
Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68
Third Party Advisory
https://vuldb.com/cve/CVE-2026-91781
Third Party Advisory
https://vuldb.com/submit/933336
Third Party Advisory
https://vuldb.com/vuln/404052
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