NULL Pointer Dereference Affecting libdwarf package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.19% (58th percentile)

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  • Snyk IDSNYK-RHEL7-LIBDWARF-1932195
  • published26 Nov 2021
  • disclosed23 Nov 2021

Introduced: 23 Nov 2021

CVE-2020-28163  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 libdwarf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libdwarf package and not the libdwarf package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

libdwarf before 20201201 allows a dwarf_print_lines.c NULL pointer dereference and application crash via a DWARF5 line-table header that has an invalid FORM for a pathname.

CVSS Scores

version 3.1