CWE
787 119
Advisory Published
Updated

CVE-2020-21594: Buffer Overflow

First published: Thu Sep 16 2021(Updated: )

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

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow 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<1.0.2-2ubuntu0.16.04.1~
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

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • 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.

  • How can CVE-2020-21594 be exploited?

    CVE-2020-21594 can be exploited by using a crafted file.

  • 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.

  • What is the severity of CVE-2020-21594?

    The severity of CVE-2020-21594 is high with a CVSS score of 6.5.

  • How can I fix CVE-2020-21594?

    To fix CVE-2020-21594, you should update libde265 to version 1.0.5 or later.

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