CVE-2026-90804GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overflow
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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
- 4.8 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-120, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Sep 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
GNU Binutils gnu:binutils | 2.47 | CNA record |
gnu binutils gnu:binutils | 2.47 | NVD |
References
- https://vuldb.com/vuln/403306vdb-entry, technical-description, permissions-required, third-party-advisory
- https://vuldb.com/vuln/403306/ctisignature, permissions-required, third-party-advisory, vdb-entry
- https://vuldb.com/cve/CVE-2026-90804third-party-advisory, vdb-entry
- https://vuldb.com/submit/920281third-party-advisory, exploit, vdb-entry
- https://sourceware.org/bugzilla/show_bug.cgi?id=34445issue-tracking, exploit, third-party-advisory
- 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.mdexploit, mitigation, third-party-advisory
- https://www.gnu.org/broken-link, product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.