CVE-2026-91781: fallo de gravedad media en GNU Binutils
GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 4.8epss 0.2%
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: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
Productos afectados
GNU · BinutilsPoCs públicas encontradas — 1
cve_referencegithub.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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Referencias
https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34449https://sourceware.org/bugzilla/show_bug.cgi?id=34449https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7322e9bc30cb282575a701c307851fd3d66fee68https://vuldb.com/cve/CVE-2026-91781https://vuldb.com/submit/933336https://vuldb.com/vuln/404052https://vuldb.com/vuln/404052/ctihttps://www.gnu.org/