CVE-2026-90803

MEDIUM 5.3

GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section buffer overflow

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. Upgrading to version 2.48 addresses this issue. The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component.

CWE	CWE-120 CWE-119
Vendor	gnu
Product	binutils
Published	Sep 14, 2026
Last Updated	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

GNU / Binutils

2.47

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403305 vuldb.com: https://vuldb.com/vuln/403305/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90803 vuldb.com: https://vuldb.com/submit/920280 sourceware.org: https://sourceware.org/bugzilla/show_bug.cgi?id=34444 github.com: https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.md sourceware.org: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b gnu.org: https://www.gnu.org/

Credits

🔍 Dem0000000 (VulDB User)