CVE-2018-19857

The CAF demuxer in modules/demux/caf.c in VideoLAN VLC media player 3.0.4 may read memory from an uninitialized pointer when processing magic cookies in CAF files, because a ReadKukiChunk() cast converts a return value to an unsigned int even if that value is negative. This could result in a denial of service and/or a potential infoleak.

• CWE-824

• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html
• http://www.securityfocus.com/bid/106130Third Party Advisory, VDB Entry
• https://dyntopia.com/advisories/013-vlcExploit, Third Party Advisory
• https://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0
• https://usn.ubuntu.com/4074-1/
• https://www.debian.org/security/2019/dsa-4366Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00040.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00081.html
• http://www.securityfocus.com/bid/106130Third Party Advisory, VDB Entry
• https://dyntopia.com/advisories/013-vlcExploit, Third Party Advisory
• https://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=0cc5ea748ee5ff7705dde61ab15dff8f58be39d0
• https://usn.ubuntu.com/4074-1/
• https://www.debian.org/security/2019/dsa-4366Third Party Advisory

Published

Dec 5, 2018

Last Modified

Jun 17, 2026

Status

Modified

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