CVE-2020-21601: Buffer Overflow

Published Sep 16, 2021

Updated

Last updated 24 July 2024

Other sources

libde265 v1.0.4 contains a stack buffer overflow in the putqpelfallback 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/libde265 to 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

Parent advisories

This vulnerability appears in the following advisories.

DSA-5346

Peer vulnerabilities

Found alongside the following vulnerabilities.

DLA-3240-1

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.