CVE-2020-16295 — NULL Pointer Dereference in Ghostscript

CWE-476 — NULL Pointer DereferenceCWE-20 — Improper Input ValidationCWE-369 — Divide By Zero9 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.5%
top 35.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Artifex GhostscriptCanonical Ubuntu LinuxDebian Linux
Timeline
PublishedAug 13
Latest updateMay 24

Description

A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶Debianartifex/ghostscript< 9.51~dfsg-1+3

Also affects: Debian Linux 10.0, 9.0, Ubuntu Linux 16.04, 18.04, 20.04

🔴Vulnerability Details

3
GHSA
GHSA-7xw8-h3mg-6x9g: A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj↗2022-05-24
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OSV
CVE-2020-16295: A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj↗2020-08-13
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CVEList
CVE-2020-16295: A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj↗2020-08-13
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📋Vendor Advisories

3
Ubuntu
Ghostscript vulnerabilities↗2020-08-24
▶
Red Hat
ghostscript: NULL pointer dereference in clj_media_size() in devices/gdevclj.c could result in a DoS↗2020-08-13
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Debian
CVE-2020-16295: ghostscript - A null pointer dereference vulnerability in clj_media_size() in devices/gdevclj....↗2020
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💬Community

2
Bugzilla
CVE-2020-16295 ghostscript: NULL pointer dereference vulnerability in clj_media_size() in devices/gdevclj.c could result in a DoS via a crafted PDF file [fedora-all]↗2020-08-19
▶
Bugzilla
CVE-2020-16295 ghostscript: NULL pointer dereference in clj_media_size() in devices/gdevclj.c could result in a DoS↗2020-08-19
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CVE-2020-16295 — NULL Pointer Dereference | cvebase