CVE-2020-36329

Name: CVE-2020-36329
Creator: NVD / NIST
Published: 2021-05-21T17:15:08.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.32%

Last modified Jun 17, 2026

CVE-2020-36329 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too early. EPSS estimates a 2.32% chance of exploitation in the next 30 days.

Description

A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.32%

81.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Webmproject	Libwebp	< 1.0.1
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Netapp	Ontap Select Deploy Administration Utility	All versions
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Apple	Ipados	< 14.7
Apple	Iphone Os	< 14.7

References

http://seclists.org/fulldisclosure/2021/Jul/54Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1956843Issue Tracking, Patch, Release Notes, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00006.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20211112-0001/Third Party Advisory
https://support.apple.com/kb/HT212601Third Party Advisory
https://www.debian.org/security/2021/dsa-4930Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jul/54Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1956843Issue Tracking, Patch, Release Notes, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00006.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20211112-0001/Third Party Advisory
https://support.apple.com/kb/HT212601Third Party Advisory
https://www.debian.org/security/2021/dsa-4930Third Party Advisory

Timeline

Published: May 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36329?

How severe is CVE-2020-36329?

CVE-2020-36329 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.32% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36329?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36329?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST