Vulnerability · Published Apr 15, 2023 · Assigned by mitre
CVE-2020-28163
Medium 6.5
In plain English
A medium-severity null pointer dereference in the dwarfutils package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 43.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | dwarfutils | 20201201-1 | DEBIAN-CVE-2020-28163 |
| Debian:13 | dwarfutils | 20201201-1 | DEBIAN-CVE-2020-28163 |
| Debian:14 | dwarfutils | 20201201-1 | DEBIAN-CVE-2020-28163 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H