CVE-2020-21598: 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 ffhevcputunweightedpred8sse 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
Feb 4, 2022
Data Sourced
12:18 PM
SeverityAffected Software
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-2020-21598?
CVE-2020-21598 is a vulnerability in libde265 v1.0.4 that allows for a heap buffer overflow in the ff_hevc_put_unweighted_pred_8_sse function.
2
How can CVE-2020-21598 be exploited?
CVE-2020-21598 can be exploited by using a crafted file.
3
What is the severity of CVE-2020-21598?
The severity of CVE-2020-21598 is high with a severity value of 8.8.
4
Which software versions are affected by CVE-2020-21598?
Versions 1.0.3-1 of libde265 and version 1.0.4 of Struktur Libde265 are affected.
5
How do I fix CVE-2020-21598?
To fix CVE-2020-21598, update libde265 to versions 1.0.11-0+deb10u4, 1.0.11-0+deb11u1, 1.0.11-1, or 1.0.12-2.