SB2018043037 - Ubuntu update for ghostscript
Published: April 30, 2018 Updated: October 30, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2016-10317)
CWE-ID: CWE-122 - Heap-based Buffer Overflow
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the fill_threshhold_buffer function in base/gxht_thresh.c due to heap-based buffer overflow. A remote attacker can submit a specially crafted PostScript document, trigger memory corruption and cause the service to crash.
2) Buffer overflow (CVE-ID: CVE-2018-10194)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists in the pprintg1 function due boundary error when handling of postscript file data written to PDF. A remote unauthenticated attacker can trick the victim into opening a specially crafted PDF file, trigger memory corruption and cause the application to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.