SB2018122040 - Fedora 28 update for mingw-openjpeg2, openjpeg2
Published: December 20, 2018 Updated: April 24, 2025
Security Bulletin ID
SB2018122040
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2018-18088)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error in the imagetopnm function of jp2/convert. A remote attacker can perform a denial of service (DoS) attack.
2) Improper input validation (CVE-ID: CVE-2018-6616)
The vulnerability allows a local unauthenticated attacker to cause DoS condition on the target system.The weakness exists in the opj_t1_encode_cblks function, which is defined in the openjp2/t1.c source code file, due to insufficient validation of user-supplied input. A local attacker can submit a specially crafted BMP file and cause the service to crash.
Remediation
Install update from vendor's website.