CVE-2020-36328: Buffer Overflow

Published May 4, 2021
·
Updated

A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Other sources

A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in WebPDecodeInto functions.

Reference: https://bugs.chromium.org/p/webp/issues/detail?id=383

— Red Hat

ActionKit. An input validation issue was addressed with improved input validation.

— Apple

Analytics. This issue was addressed with a new entitlement.

— Apple

Audio. This issue was addressed with improved checks.

— Apple

AVEVideoEncoder. A memory corruption issue was addressed with improved state management.

— Apple

Credit

Zachary Keffaber@@QuickUpdate5, Denis Tokarev@@illusionofcha0s, tr3e, George Nosenko, JunDong Xie(Ant Security Light), ryuzaki, Mickey Jin@@patch1t(Trend Micro), Sunglin(Knownsec 404 team), Yizhuo Wang(Group of Software Security In Progress), Tim Michaud@@TimGMichaud(Zoom Video Communications), Linus Henze (pinauten.de), Csaba Fitzl@@theevilbit(Offensive Security), tr3e(Trend Micro Zero Day Initiative), hjy79425575(Trend Micro Zero Day Initiative), Matthew Denton(Google Chrome Security), Jzhu(Baidu Security), Ye Zhang@@co0py_Cat(Baidu Security), CFF(Topsec Alpha Team), CVE-2021-3518, CVE-2018-25010, CVE-2018-25011, CVE-2018-25014, CVE-2020-36328, CVE-2020-36329, CVE-2020-36330, CVE-2020-36331, Anonymous(Trend Micro Zero Day Initiative), Christoph Guttandin(Media Codings), Sergei Glazunov(Google Project Zero), Ivan Fratric(Google Project Zero), vm_call, Nozhdar Abdulkhaleq Shukri

Affected Software

15 affected componentsFixes available
debian/libwebp
0.6.1-2+deb10u10.6.1-2+deb10u30.6.1-2.1+deb11u21.2.4-0.2+deb12u11.3.2-0.3
redhat/libwebp<1.0.1
1.0.1
IBM Cloud Pak for Security (CP4S)<=1.7.2.0
IBM Cloud Pak for Security (CP4S)<=1.7.1.0
IBM Cloud Pak for Security (CP4S)<=1.7.0.0
webmproject Libwebp<1.0.1
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
NetApp ONTAP Select Deploy administration utility
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Apple iPadOS=14.7
Apple iPhone OS=14.7
Apple iOS<14.7
14.7
Apple iPadOS<14.7
14.7

Remediation

Patch Available

https://bugzilla.redhat.com/show_bug.cgi?id=1956829

Event History

May 21, 2021
CVE Published
via MITRE·04:14 PM
Data Sourced
via MITRE·04:14 PM
DescriptionWeakness
Feb 24, 2026
Data Sourced
via Apple·07:00 PM
DescriptionWeaknessAffected Software
Updated
via Apple·07:00 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2020-36328.

2

What is the severity of CVE-2020-36328?

The severity of CVE-2020-36328 is critical with a CVSS score of 9.8.

3

How does CVE-2020-36328 impact system security?

CVE-2020-36328 poses a threat to data confidentiality, integrity, and system availability.

4

Which software versions are affected by CVE-2020-36328?

Versions before 1.0.1 of libwebp are affected by CVE-2020-36328.

5

Where can I find more information about CVE-2020-36328?

You can find more information about CVE-2020-36328 in the provided references.

Company

Resources

Contact

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CVE-2020-36328 - Buffer Overflow - SecAlerts