CVE-2017-14169

In the mxf_read_primer_pack function in libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, an integer signedness error might occur when a crafted file, which claims a large "item_num" field such as 0xffffffff, is provided. As a result, the variable "item_num" turns negative, bypassing the check for a large value.

• CWE-20

• http://www.debian.org/security/2017/dsa-3996Third Party Advisory
• http://www.securityfocus.com/bid/100692Third Party Advisory, VDB Entry
• https://github.com/FFmpeg/FFmpeg/commit/9d00fb9d70ee8c0cc7002b89318c5be00f1bbdadIssue Tracking, Patch, Third Party Advisory
• https://github.com/FFmpeg/FFmpeg/commit/a4e85b2e1c8d5b4bf0091157bbdeb0e457fb7b8f
• https://lists.debian.org/debian-lts-announce/2019/02/msg00005.htmlThird Party Advisory
• http://www.debian.org/security/2017/dsa-3996Third Party Advisory
• http://www.securityfocus.com/bid/100692Third Party Advisory, VDB Entry
• https://github.com/FFmpeg/FFmpeg/commit/9d00fb9d70ee8c0cc7002b89318c5be00f1bbdadIssue Tracking, Patch, Third Party Advisory
• https://github.com/FFmpeg/FFmpeg/commit/a4e85b2e1c8d5b4bf0091157bbdeb0e457fb7b8f
• https://lists.debian.org/debian-lts-announce/2019/02/msg00005.htmlThird Party Advisory

Published

Sep 7, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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