CVE-2026-90804

MEDIUM 4.8

GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overflow

CVSS Score

4.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120 CWE-119
Vendor	gnu
Product	binutils
Published	Sep 14, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GNU / Binutils

2.47

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403306 vuldb.com: https://vuldb.com/vuln/403306/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90804 vuldb.com: https://vuldb.com/submit/920281 sourceware.org: https://sourceware.org/bugzilla/show_bug.cgi?id=34445 github.com: 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 gnu.org: https://www.gnu.org/

Credits

🔍 Dem0000000 (VulDB User) VulDB CNA Team