CVE-2020-12284: Buffer Overflow

Published Apr 28, 2020
·
Updated

cbsjpegsplitfragment in libavcodec/cbsjpeg.c in FFmpeg 4.1 and 4.2.2 has a heap-based buffer overflow during JPEGMARKERSOS handling because of a missing length check.

Affected Software

7 affected componentsFixes available
FFmpeg FFmpeg=4.1
FFmpeg FFmpeg=4.2.2
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Debian Debian Linux=10.0
debian/ffmpeg
7:4.3.7-0+deb11u17:4.3.9-0+deb11u27:5.1.8-0+deb12u17:7.1.3-0+deb13u17:8.0.1-37:8.1-3

Remediation

Patch Available

https://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726

Patch Available

https://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99

Event History

Apr 28, 2020
CVE Published
via MITRE·05:16 AM
Data Sourced
via MITRE·05:16 AM
Description
Jan 11, 2024
Data Sourced
via Launchpad·11:37 PM
Description
Feb 20, 2026
Data Sourced
via Ubuntu·05:26 PM
RemedyDescriptionSeverityAffected Software
Mar 22, 2026
Data Sourced
via Debian·06:05 PM
DescriptionAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Company

Resources

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