CVE-2020-28163

libdwarf: NULL pointer dereference due to corrupt line table header

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · November 23, 2021

Updated · November 21, 2025

Description

A flaw was found in libdwarf. A possible null pointer dereference vulnerability allows an attacker to input a specially crafted file, leading to a crash. The highest threat from this vulnerability is to system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference