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CVE-2016-9819

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash)...

5.5 MediumFix available

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.00%Down 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.5

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Record
CVE-2016-9819
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Record
CVE-2016-9819
Updated
2026-11-02
EUVDEUVD-2016-10619 No score

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Record
EUVD-2016-10619
Updated
2026-11-03
GitHub AdvisoriesGHSA-q93v-5j7m-ff57 5.5

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash)...

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Record
GHSA-q93v-5j7m-ff57
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSV 5.5

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Record
CVE-2016-9819
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-9819 5.5

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

Record
UBUNTU-CVE-2016-9819
CVSS 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libav
Debian:7
 before 6:0.8.20-0+deb7u1, plus listed versions
6:0.8.10-16:0.8.12-16:0.8.13-16:0.8.15-16:0.8.16-1
Show 10 moreShow less
6:0.8.17-16:0.8.17-26:0.8.17-2+deb7u16:0.8.17-2+deb7u26:0.8.18-0+deb7u16:0.8.19-0+deb7u16:0.8.6-16:0.8.7-16:0.8.8-16:0.8.9-1
6:0.8.20-0+deb7u1
libav
Ubuntu:Pro:14.04:LTS
 before 6:9.20-0ubuntu0.14.04.1+esm1, plus listed versions
6:0.8.7-1ubuntu26:9.10-1ubuntu16:9.10-1ubuntu26:9.10-1ubuntu56:9.10-1ubuntu6
Show 8 moreShow less
6:9.10-1ubuntu76:9.11-2ubuntu16:9.11-2ubuntu26:9.13-0ubuntu0.14.04.16:9.14-0ubuntu0.14.04.16:9.16-0ubuntu0.14.04.16:9.18-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.1
6:9.20-0ubuntu0.14.04.1+esm1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9819 is a medium vulnerability (CVSS 5.5) in Libav, published January 19, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 62nd percentile. Fixed in libav 6:0.8.20-0+deb7u1.

References

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