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CVE-2026-90804

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

MEDIUM
6.1
CVSS Score
Published: September 14, 2026 at 05:00 PM UTC
Updated: September 18, 2026 at 02:59 PM UTC
1 product affected across 1 vendorBinutils

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (7)

VDB EntryTechnical DescriptionPermissions RequiredThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/403306
SignaturePermissions RequiredThird Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/vuln/403306/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/cve/CVE-2026-90804
Third Party AdvisoryExploitVDB Entry
Source: cverecord
https://vuldb.com/submit/920281
Issue TrackingExploitThird Party Advisory
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=34445
ExploitMitigationThird Party Advisory
Source: cverecord
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
Broken LinkProduct
Source: cverecord
https://www.gnu.org/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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