CVE-2026-90804

Summary

A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the component Eh Frame Section Handler. Performing a manipulation of the argument cie_length/fde_length/augmentation_data_size/write_offset results in buffer overflow. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.

Affected Software

Weaknesses

• CWE-120: Buffer Overflow
• CWE-119: Memory Corruption

References

• https://vuldb.com/vuln/403306
• https://vuldb.com/vuln/403306/cti
• https://vuldb.com/cve/CVE-2026-90804
• https://vuldb.com/submit/920281
• https://sourceware.org/bugzilla/show_bug.cgi?id=34445
• https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20write%20%20negative-size%20%60memmove%60%20%20SEGV%20in%20%60_bfd_elf_write_section_eh_frame%60%20(bfdelf-eh-frame.c2064%20%202083%20%202193)%20via%20malformed%20%60.eh_frame%60.md
• https://www.gnu.org/

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