libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
https://github.com/libav/libav/commit/fe6eea99efac66839052af547426518efd970b24
https://bugzilla.libav.org/show_bug.cgi?id=1039
http://www.securityfocus.com/bid/98548
Source: Mitre, NVD
Published: 2017-05-18
Updated: 2025-04-20
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00334