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CVE-2026-90803

medium

A security vulnerability has been detected in GNU Binutils 2.47.

Vendor / product: Gnu — binutils

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.

CVSS
6.8
6.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-14 17:17
Modified: 2026-09-18 14:41
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 06:53 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

gnu / binutils 2.47

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: 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
Patch / mitigation: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:53 UTC · record ↗

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