CVE-2026-91780

Summary

A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a bug report but has not responded yet.

Affected Software

Weaknesses

• CWE-476: NULL Pointer Dereference
• CWE-404: Denial of Service

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://vuldb.com/submit/933334
• https://sourceware.org/bugzilla/show_bug.cgi?id=34447

References

• https://vuldb.com/vuln/404051
• https://vuldb.com/vuln/404051/cti
• https://vuldb.com/cve/CVE-2026-91780
• https://vuldb.com/submit/933334
• https://sourceware.org/bugzilla/show_bug.cgi?id=34447
• https://github.com/Ech06/CVE_submit/tree/main/bugzilla/pocs/34447
• https://www.gnu.org/

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