CVE-2018-12460 — libavcodec in FFmpeg 4.0 may trigger a NULL pointer dereference if the studio profile is incorrectly detected while converting a crafted AVI file to MPEG4, leading to a denial of service, related to idctdsp.c and mpegvideo.c

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MEDIUM

libavcodec in FFmpeg 4.0 may trigger a NULL pointer dereference if the studio profile is incorrectly detected while converting a crafted AVI file to MPEG4, leading to a denial of service, related to idctdsp.c and mpegvideo.c

Published Jun 15, 2018

6.5

MEDIUM

CVSS 3.0

EPSS 1.06%

Description

libavcodec in FFmpeg 4.0 may trigger a NULL pointer dereference if the studio profile is incorrectly detected while converting a crafted AVI file to MPEG4, leading to a denial of service, related to idctdsp.c and mpegvideo.c.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.06% 0.01061

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01061

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.06% (0.01061)	63.32th	v5 (v2026.06.15)
Sep 20, 2026	1.06% (0.01061)	63.10th	v5 (v2026.06.15)
Jul 20, 2024	0.07% (0.00074)	32.24th	v3 (v2023.03.01)
May 3, 2024	0.07% (0.00074)	31.10th	v3 (v2023.03.01)
Mar 15, 2024	0.07% (0.00071)	28.96th	v3 (v2023.03.01)
Feb 8, 2024	0.06% (0.00064)	25.77th	v3 (v2023.03.01)
Mar 7, 2023	0.08% (0.00080)	32.54th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00518)	11.68th	v5 (v2026.06.15)
Apr 14, 2021	0.52% (0.00518)	0.00th	v1