CVE-2020-21601: Buffer Overflow
First published: Thu Sep 16 2021(Updated: )
libde265 v1.0.4 contains a stack buffer overflow in the put_qpel_fallback function, which can be exploited via a crafted a file.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Struktur Libde265 | =1.0.4 | |
| ubuntu/libde265 | <1.0.2-2ubuntu0.18.04.1~ | 1.0.2-2ubuntu0.18.04.1~ |
| ubuntu/libde265 | <1.0.4-1ubuntu0.1 | 1.0.4-1ubuntu0.1 |
| ubuntu/libde265 | <1.0.2-2ubuntu0.16.04.1~ | 1.0.2-2ubuntu0.16.04.1~ |
| debian/libde265 | <=1.0.3-1 | 1.0.11-0+deb10u6 1.0.11-0+deb11u3 1.0.11-0+deb11u1 1.0.11-1+deb12u2 1.0.15-1 |
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Reference Links
- https://github.com/strukturag/libde265/issues/241
- https://www.debian.org/security/2023/dsa-5346
- https://launchpad.net/bugs/cve/CVE-2020-21601
- https://security-tracker.debian.org/tracker/CVE-2020-21601
- https://ubuntu.com/security/notices/USN-6617-1
- https://www.cve.org/CVERecord?id=CVE-2020-21601
- https://nvd.nist.gov/vuln/detail/CVE-2020-21601
- https://ubuntu.com/security/CVE-2020-21601
Frequently Asked Questions
What is CVE-2020-21601?
CVE-2020-21601 is a vulnerability in libde265 v1.0.4 that allows for a stack buffer overflow in the put_qpel_fallback function.
How can CVE-2020-21601 be exploited?
CVE-2020-21601 can be exploited by providing a crafted file.
What is the severity of CVE-2020-21601?
The severity of CVE-2020-21601 is medium, with a severity value of 6.5.
What software is affected by CVE-2020-21601?
The affected software is libde265 v1.0.4, with specific versions 1.0.3-1, 1.0.11-0+deb10u4, 1.0.11-0+deb11u1, 1.0.11-1, 1.0.12-2, and Struktur Libde265 1.0.4.
How can I fix CVE-2020-21601?
To fix CVE-2020-21601, update the libde265 package to versions 1.0.11-0+deb10u4, 1.0.11-0+deb11u1, 1.0.11-1, or 1.0.12-2.
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