119 787
Advisory Published

CVE-2020-21597: Buffer Overflow

First published: Thu Sep 16 2021(Updated: )

libde265 v1.0.4 contains a heap buffer overflow in the mc_chroma function, which can be exploited via a crafted a file.


Affected SoftwareAffected VersionHow to fix
Struktur Libde265=1.0.4
Debian Debian Linux=10.0
Debian Debian Linux=11.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-21597?

    CVE-2020-21597 is a heap buffer overflow vulnerability found in libde265 v1.0.4.

  • How can CVE-2020-21597 be exploited?

    CVE-2020-21597 can be exploited by using a crafted file.

  • What is the severity of CVE-2020-21597?

    The severity of CVE-2020-21597 is classified as medium with a severity value of 6.5.

  • Which software versions are affected by CVE-2020-21597?

    Versions 1.0.3-1 of libde265 and 1.0.4 of Struktur Libde265 are affected by CVE-2020-21597.

  • How can I fix CVE-2020-21597?

    To fix CVE-2020-21597, update to one of the following versions: 1.0.11-0+deb10u4, 1.0.11-0+deb11u1, 1.0.11-1, or 1.0.12-2.


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