CVE-2026-90802: medium-severity vulnerability in GNU Binutils
GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.8epss 0.2%
A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been made available to the public and could be used for attacks. 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:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
GNU · Binutilspublic PoCs found — 1
cve_referencegithub.com/r1ck9-2q/cve_summit/blob/main/SEGV%20in%20%60bfd_putl64%60%20(bfdlibbfd.c989)%20during%20relocation%20output%20via%20malformed%20ELF.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — GNU Binutils
In the same product, most dangerous first.
CVE-2025-1153LOWGNU Binutils format.c bfd_set_format memory corruptionEPSS 1.4%CVE-2025-1178MEDIUMGNU Binutils ld libbfd.c bfd_putl64 memory corruptionEPSS 0.8%CVE-2025-0840MEDIUMGNU Binutils objdump.c disassemble_bytes stack-based overflowEPSS 0.7%CVE-2025-1181LOWGNU Binutils ld elflink.c _bfd_elf_gc_mark_rsec memory corruptionEPSS 0.7%CVE-2025-1180LOWGNU Binutils ld elf-eh-frame.c _bfd_elf_write_section_eh_frame memory corruptionEPSS 0.7%CVE-2025-1176LOWGNU Binutils ld elflink.c _bfd_elf_gc_mark_rsec heap-based overflowEPSS 0.7%
References
https://github.com/r1ck9-2q/cve_summit/blob/main/SEGV%20in%20%60bfd_putl64%60%20(bfdlibbfd.c989)%20during%20relocation%20output%20via%20malformed%20ELF.mdhttps://sourceware.org/bugzilla/show_bug.cgi?id=34443https://vuldb.com/cve/CVE-2026-90802https://vuldb.com/submit/920277https://vuldb.com/vuln/403304https://vuldb.com/vuln/403304/ctihttps://www.gnu.org/