CVE-2020-21603: Buffer Overflow
First published: Thu Sep 16 2021(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libde265 | 1.0.11-0+deb11u3 1.0.11-0+deb11u1 1.0.11-1+deb12u2 1.0.15-1 | |
| libde265 | =1.0.4 |
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Reference Links
- https://github.com/strukturag/libde265/issues/240
- https://www.debian.org/security/2023/dsa-5346
- https://launchpad.net/bugs/cve/CVE-2020-21603
- https://security-tracker.debian.org/tracker/CVE-2020-21603
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21603
- https://nvd.nist.gov/vuln/detail/CVE-2020-21603
- https://ubuntu.com/security/CVE-2020-21603
Frequently Asked Questions
What is the severity of CVE-2020-21603?
CVE-2020-21603 is considered a critical vulnerability due to the presence of a heap buffer overflow that can lead to remote code execution.
How do I fix CVE-2020-21603?
To mitigate CVE-2020-21603, update the libde265 package to versions 1.0.11-0+deb11u3, 1.0.11-0+deb11u1, 1.0.11-1+deb12u2, or 1.0.15-1.
Which versions of libde265 are affected by CVE-2020-21603?
CVE-2020-21603 affects libde265 version 1.0.4 and earlier versions.
What is the nature of the vulnerability in CVE-2020-21603?
CVE-2020-21603 is characterized by a heap buffer overflow in the put_qpel_0_0_fallback_16 function.
Can I exploit CVE-2020-21603 through file manipulation?
Yes, CVE-2020-21603 can be exploited via a crafted file that triggers the underlying vulnerability.
- agent/type
- agent/weakness
- agent/severity
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/event
- agent/description
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-index
- package-manager/debian
- vendor/struktur
- canonical/libde265
- version/libde265/1.0.4