Vulnerability · Published Aug 13, 2020 · Assigned by mitre
CVE-2020-16307
Medium 5.5
In plain English
A medium-severity security flaw in the ghostscript package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.8%top 21.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | ghostscript | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | ghostscript-doc | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | ghostscript-tools-dvipdf | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | ghostscript-tools-fonts | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | ghostscript-tools-printing | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | ghostscript-x11 | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | libgs | 9.27-1.el8 | ALSA-2021:1852 |
| AlmaLinux:8 | libgs-devel | 9.27-1.el8 | ALSA-2021:1852 |
| Alpine:v3.20 | ghostscript | 9.51-r0 | ALPINE-CVE-2020-16307 |
| Alpine:v3.21 | ghostscript | 9.51-r0 | ALPINE-CVE-2020-16307 |
| Alpine:v3.22 | ghostscript | 9.51-r0 | ALPINE-CVE-2020-16307 |
| Alpine:v3.23 | ghostscript | 9.51-r0 | ALPINE-CVE-2020-16307 |
| Alpine:v3.24 | ghostscript | 9.51-r0 | ALPINE-CVE-2020-16307 |
| Debian:12 | ghostscript | 9.51~dfsg-1 | DEBIAN-CVE-2020-16307 |
| Debian:13 | ghostscript | 9.51~dfsg-1 | DEBIAN-CVE-2020-16307 |
| Debian:14 | ghostscript | 9.51~dfsg-1 | DEBIAN-CVE-2020-16307 |
| Rocky Linux:8 | ghostscript | 0:9.27-11.el8 | RLSA-2021:1852 |
| Rocky Linux:8 | ghostscript | 0:9.27-1.el8 | RLSA-2021:1852 |
Affected products (as reported)
References
- https://bugs.ghostscript.com/show_bug.cgi?id=701822 x_refsource_MISC
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=407c98a38c3a6ac1681144ed45cc2f4fc374c91f x_refsource_MISC
- [debian-lts-announce] 20200820 [SECURITY] [DLA 2335-1] ghostscript security update mailing-list, x_refsource_MLIST
- DSA-4748 vendor-advisory, x_refsource_DEBIAN
- GLSA-202008-20 vendor-advisory, x_refsource_GENTOO
- USN-4469-1 vendor-advisory, x_refsource_UBUNTU