CVE-2020-16303: Use After Free
A use-after-free vulnerability in xpsfinishimagepath() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted PDF file. This is fixed in v9.51.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/ghostscriptto a version that resolves this vulnerability.Fixed in 9.53.3~dfsg-7+deb11u7Fixed in 9.53.3~dfsg-7+deb11u11Fixed in 10.0.0~dfsg-11+deb12u8Fixed in 10.05.1~dfsg-1+deb13u1Fixed in 10.07.0~dfsg-2 - Upgrade
Upgrade
redhat/ghostscriptto a version that resolves this vulnerability.Fixed in 9.51 - Upgrade
Upgrade
Artifex Software GhostScriptto a version that resolves this vulnerability.Fixed in v9.51
Event History
Frequently Asked Questions
What is CVE-2020-16303?
CVE-2020-16303 is a use-after-free vulnerability in xps_finish_image_path() in devices/vector/gdevxps.c of Artifex Software GhostScript v9.50.
How does CVE-2020-16303 allow privilege escalation?
CVE-2020-16303 allows a remote attacker to escalate privileges by exploiting the use-after-free vulnerability via a crafted PDF file.
What is the severity of CVE-2020-16303?
CVE-2020-16303 has a severity score of 7.8 (high).
How can I fix CVE-2020-16303 on Red Hat systems?
To fix CVE-2020-16303 on Red Hat systems, update GhostScript to version 9.51 or newer.
How can I fix CVE-2020-16303 on Ubuntu systems?
To fix CVE-2020-16303 on Ubuntu systems, update GhostScript to version 9.51 or newer.
How can I fix CVE-2020-16303 on Debian systems?
To fix CVE-2020-16303 on Debian systems, update GhostScript to a version with the fix (refer to the official Debian advisory).