Buffer Access with Incorrect Length Value Affecting gdb-gdbserver package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.2% (9th percentile)

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  • Snyk IDSNYK-RHEL8-GDBGDBSERVER-19990274
  • published20 Sept 2026
  • disclosed14 Sept 2026

Introduced: 14 Sep 2026

NewCVE-2026-90803  (opens in a new tab)
CWE-805  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:8 gdb-gdbserver.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gdb-gdbserver package and not the gdb-gdbserver package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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 Base Scores

version 3.1