CVE-2026-91781
4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GNU | Binutils | 2.47 | affected |
| GNU | Binutils | 2.48 | unaffected |
Weaknesses
- CWE-476: NULL Pointer Dereference
- CWE-404: Denial of Service
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://vuldb.com/vuln/404052
- https://vuldb.com/vuln/404052/cti
- https://vuldb.com/cve/CVE-2026-91781
- https://vuldb.com/submit/933336
- https://sourceware.org/bugzilla/show_bug.cgi?id=34449
- https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449
- https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68
- https://www.gnu.org/
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.