CVE-2020-21599: Buffer Overflow
Published Sep 16, 2021
·Updated
Last updated 24 July 2024
Other sources
libde265 v1.0.4 contains a heap buffer overflow in the de265image::availablezscan function, which can be exploited via a crafted a file.
Affected Software
4 affected componentsFixes available
debian/libde265
1.0.11-0+deb11u31.0.11-0+deb11u11.0.11-1+deb12u21.0.15-1
struktur libde265=1.0.4
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Event History
Sep 16, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Jan 30, 2024
Data Sourced
via Launchpad·08:52 PM
Description
Sep 14, 2024
Data Sourced
via Ubuntu·09:27 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is CVE-2020-21599?
CVE-2020-21599 is a vulnerability in libde265 v1.0.4 that allows a heap buffer overflow in the de265_image::available_zscan function.
2
How severe is CVE-2020-21599?
CVE-2020-21599 has a severity rating of 6.5, which is considered medium.
3
What software is affected by CVE-2020-21599?
The affected software includes libde265 v1.0.4, Debian Linux 10.0, and Debian Linux 11.0.
4
How can CVE-2020-21599 be exploited?
CVE-2020-21599 can be exploited by using a crafted file.
5
How can I fix CVE-2020-21599?
To fix CVE-2020-21599, update libde265 to version 1.0.11-0+deb10u4, 1.0.11-0+deb11u1, 1.0.11-1, or 1.0.12-2.