CVE-2026-90804CWE-119CWE-120

CVE-2026-90804

Medium · published September 14, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
2.4 · 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
EPSS
0.00197 · 8.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-14T21:17Z
Affected products (1)
ProductVersionsFixed in
gnu/binutilsall versions—
References (7)
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 · [email protected]https://sourceware.org/bugzilla/show_bug.cgi?id=34445 · [email protected]https://vuldb.com/cve/CVE-2026-90804 · [email protected]https://vuldb.com/submit/920281 · [email protected]https://vuldb.com/vuln/403306 · [email protected]https://vuldb.com/vuln/403306/cti · [email protected]https://www.gnu.org/ · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 17:00Z
    GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overflow
    cvelistv5