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Vulnerability record · CVE-2026-90804 · published 14 September 2026

CVE-2026-90804: Gnu binutils memory buffer overflow vulnerability

Gnu · Binutils

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.

0.9 CVSS 4.0 Low EPSS 0.20% · top 91.6% CWE-119 · Memory buffer overflowCWE-120 · Classic buffer overflow
0.9CVSS 4.0 base score, v2 4.3
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References, 3 tagged exploit
18 Sep 2026Last modified by NVD

Description

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.

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20write%20%20negative-size%20%60memmove%60%20%20SEGV%20in%20 ExploitMitigationThird Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=34445 ExploitThird Party Advisory
https://vuldb.com/cve/CVE-2026-90804 Third Party AdvisoryVDB Entry
https://vuldb.com/submit/920281 ExploitThird Party AdvisoryVDB Entry
https://vuldb.com/vuln/403306 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/vuln/403306/cti Permissions RequiredThird Party AdvisoryVDB Entry
https://www.gnu.org/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-90804), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.