The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer deref…

published 2017-12-04 8y ago modified 2026-06-17 4mo ago also EUVD-2017-8293

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits: 0; none known

The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.

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Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

bugzilla.libav.org https://bugzilla.libav.org/show_bug.cgi?id=1099 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

bugzilla.libav.org /show_bug.cgi?id=1099
exploit, issue-tracking
deb.freexian.com /extended-lts/tracker/CVE-2017-17127
lists.debian.org /debian-lts-announce/2019/12/msg00003.html
mailing-list

Sources

CVE List CVE-2017-17127
NVD CVE-2017-17127

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