CVE-2020-21594: 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 putepelhvfallback function, which can be exploited via a crafted a file.
Affected Software
2 affected componentsFixes available
struktur libde265=1.0.4
debian/libde265
1.0.11-1+deb12u21.0.11-1+deb12u31.0.15-1+deb13u21.1.3-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/libde265to a version that resolves this vulnerability.Fixed in 1.0.11-1+deb12u2Fixed in 1.0.11-1+deb12u3Fixed in 1.0.15-1+deb13u2Fixed in 1.1.3-1
Event History
Sep 16, 2021
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 15, 2022
Data Sourced
10:36 PM
SeverityAffected Software
Frequently Asked Questions
1
What is CVE-2020-21594?
CVE-2020-21594 is a vulnerability in libde265 v1.0.4 that allows for a heap buffer overflow in the put_epel_hv_fallback function.
2
How can CVE-2020-21594 be exploited?
CVE-2020-21594 can be exploited by using a crafted file.
3
Which software versions are affected by CVE-2020-21594?
The affected software versions are libde265 v1.0.3-1, v1.0.11-0+deb10u4, v1.0.11-0+deb11u1, v1.0.11-1, and v1.0.12-2.
4
What is the severity of CVE-2020-21594?
The severity of CVE-2020-21594 is high with a CVSS score of 6.5.
5
How can I fix CVE-2020-21594?
To fix CVE-2020-21594, you should update libde265 to version 1.0.5 or later.