CVE-2019-15942: High severity FFmpeg FFmpeg vulnerability

Published Sep 5, 2019
·
Updated

FFmpeg through 4.2 has a "Conditional jump or move depends on uninitialised value" issue in h2645parse because allocrbspbuffer in libavcodec/h2645parse.c mishandles rbspbuffer.

Affected Software

21 affected componentsFixes available
FFmpeg FFmpeg<=4.2
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0
alpine/ffmpeg4<4.2.1-r0
4.2.1-r0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade alpine/ffmpeg to a version that resolves this vulnerability.

    Fixed in 4.2.1-r0
  2. Upgrade

    Upgrade alpine/ffmpeg4 to a version that resolves this vulnerability.

    Fixed in 4.2.1-r0

Event History

Sep 5, 2019
CVE Published
via MITRE·03:38 PM
Data Sourced
via MITRE·03:38 PM
Description
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·04:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-15942?

The severity of CVE-2019-15942 is classified as medium due to the potential for exploitation affecting memory integrity.

2

How do I fix CVE-2019-15942?

To fix CVE-2019-15942, upgrade FFmpeg to version 4.3 or later where the issue is resolved.

3

What are the effects of CVE-2019-15942?

CVE-2019-15942 can lead to undefined behavior including crashes or other exploits due to uninitialized values.

4

Which versions of FFmpeg are affected by CVE-2019-15942?

FFmpeg versions up to and including 4.2 are affected by CVE-2019-15942.

5

Is CVE-2019-15942 a known issue in FFmpeg?

Yes, CVE-2019-15942 is a recognized vulnerability documented in FFmpeg's security advisories.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203