SB2018022014 - Debian update for libav
Published: February 20, 2018
Security Bulletin ID
SB2018022014
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2017-16803)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the smacker_decode_tree function in libavcodec/smacker.c due to improper restrictions of tree recursion. A remote attacker can supply specially crafted Smacker stream, trigger bitstream.c:build_table() out-of-bounds read and cause the application to crash.
Remediation
Install update from vendor's website.