CVE-2026-90804

0.9 LOW 0.2% exploit odds Fix listed Memory safety

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account, but needs a user to act. Limited direct impact.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-09-14 17:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-18 14:42 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-14 17:17 UTC
Last modified: 2026-09-18 14:42 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Analyzed

Affected

Gnu Binutils 2.47

Attack profile CVSS 4.0 · 0.9

Attack vector: Local
Complexity: Low
Attack requirements: None
Privileges needed: Low
User interaction: Passive
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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Fix and advisories

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

References

NVD record · CVE.org record