Heap-based buffer overflow in libde265 - CVE-2020-21600
Published: February 9, 2024
Vulnerability identifier: #VU86316
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-21600
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the put_weighted_pred_avg_16_fallback() function. A remote attacker can pass specially crafted file to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.
Affected software
libde265
Ubuntu
libde265-0 (Ubuntu package)
Ubuntu
libde265-0 (Ubuntu package)
How to mitigate CVE-2020-21600
Install updates from vendor's website.
libde265 - update to 1.0.10
libde265-0 (Ubuntu package) - addressed in versions Ubuntu Pro, 1.0.4-1ubuntu0.1
libde265-0 (Ubuntu package) - addressed in versions Ubuntu Pro, 1.0.4-1ubuntu0.1