Out-of-Bounds Affecting gdb-gdbserver package, versions <0:10.2-11.el9


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.48% (76th percentile)

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  • Snyk IDSNYK-RHEL9-GDBGDBSERVER-7875443
  • published3 Sept 2024
  • disclosed22 Sept 2021

Introduced: 22 Sep 2021

CVE-2021-3826  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade RHEL:9 gdb-gdbserver to version 0:10.2-11.el9 or higher.
This issue was patched in RHSA-2023:6372.

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:9 relevant fixed versions and status.

Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.

References

CVSS Scores

version 3.1