Exploited
high
8.8
CWE
787 119 22
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2023-4863: Google Chromium WebP Heap-Based Buffer Overflow Vulnerability

First published: Wed Sep 06 2023(Updated: )

<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2023">Google Chrome Releases</a> for more information.</p> <p>Google is aware that an exploit for CVE-2023-4863 exists in the wild.</p>

Credit: Apple Security Engineering TorontoArchitecture (SEAR) TorontoThe Citizen Lab at The University Toronto chrome-cve-admin@google.com chrome-cve-admin@google.com chrome-cve-admin@google.com

Affected SoftwareAffected VersionHow to fix
Microsoft Teams for Desktop
fix available externally
Microsoft Teams for Mac
fix available externally
Microsoft VP9 Video Extensions
Microsoft WebP Image Extension
fix available externally
Microsoft Skype
fix available externally
nuget/magick.net-q8-x64<13.3.0
13.3.0
nuget/magick.net-q8-openmp-x64<13.3.0
13.3.0
nuget/magick.net-q8-anycpu<13.3.0
13.3.0
nuget/magick.net-q16-x64<13.3.0
13.3.0
nuget/magick.net-q16-hdri-anycpu<13.3.0
13.3.0
nuget/magick.net-q16-anycpu<13.3.0
13.3.0
rust/webp<0.2.6
0.2.6
pip/Pillow<10.0.1
10.0.1
go/github.com/chai2010/webp>=1.0.0
nuget/SkiaSharp>=2.0.0<2.88.6
2.88.6
npm/electron>=27.0.0-beta.1<27.0.0-beta.2
27.0.0-beta.2
npm/electron>=26.0.0<26.2.1
26.2.1
npm/electron>=25.0.0<25.8.1
25.8.1
npm/electron>=24.0.0<24.8.3
24.8.3
npm/electron>=22.0.0<22.3.24
22.3.24
rust/libwebp-sys<0.9.3
0.9.3
rust/libwebp-sys2<0.1.8
0.1.8
Google Android
Microsoft Edge<117.0.2045.31
Google Chromium WebP
Microsoft Edge (Chromium-based)
fix available externally
Google Chrome<117.0.5938.62
117.0.5938.62
Mozilla Firefox<117.0.1
117.0.1
Mozilla Firefox ESR<102.15.1
102.15.1
Mozilla Firefox ESR<115.2.1
115.2.1
Mozilla Thunderbird<102.15.1
102.15.1
Mozilla Thunderbird<115.2.2
115.2.2
Google Chrome<116.0.5845.187
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
Mozilla Firefox<117.0.1
Mozilla Firefox ESR<102.15.1
Mozilla Firefox ESR>=115.0<115.2.1
Mozilla Thunderbird<102.15.1
Mozilla Thunderbird>=115.0<115.2.2
Microsoft Edge<117.0.2045.31
Webmproject Libwebp<1.3.2
ubuntu/firefox<117.0.1+
117.0.1+
ubuntu/firefox<117.0.1
117.0.1
ubuntu/libwebp<0.6.1-2ubuntu0.18.04.2+
0.6.1-2ubuntu0.18.04.2+
ubuntu/libwebp<0.6.1-2ubuntu0.20.04.3
0.6.1-2ubuntu0.20.04.3
ubuntu/libwebp<1.2.2-2ubuntu0.22.04.2
1.2.2-2ubuntu0.22.04.2
ubuntu/libwebp<1.2.4-0.1ubuntu0.23.04.2
1.2.4-0.1ubuntu0.23.04.2
ubuntu/libwebp<1.2.4-0.2ubuntu1
1.2.4-0.2ubuntu1
ubuntu/libwebp<1.2.4-0.2ubuntu1
1.2.4-0.2ubuntu1
ubuntu/thunderbird<1:102.15.1+
1:102.15.1+
ubuntu/thunderbird<1:102.15.1+
1:102.15.1+
ubuntu/thunderbird<1:102.15.1+
1:102.15.1+
ubuntu/thunderbird<1:115.2.3+
1:115.2.3+
ubuntu/thunderbird<1:115.2.3+
1:115.2.3+
ubuntu/thunderbird<115.2.2
115.2.2
debian/chromium<=90.0.4430.212-1~deb10u1
120.0.6099.224-1~deb11u1
121.0.6167.139-1~deb12u1
124.0.6367.155-1~deb12u1
124.0.6367.118-1
124.0.6367.155-1
debian/firefox
125.0.3-1
debian/firefox-esr<=91.12.0esr-1~deb10u1
115.10.0esr-1~deb10u1
115.7.0esr-1~deb11u1
115.10.0esr-1~deb11u1
115.7.0esr-1~deb12u1
115.10.0esr-1~deb12u1
115.10.0esr-1
debian/libwebp<=0.6.1-2+deb10u1
0.6.1-2+deb10u3
0.6.1-2.1+deb11u2
1.2.4-0.2+deb12u1
1.3.2-0.4
1.4.0-0.1
debian/thunderbird<=1:91.12.0-1~deb10u1
1:115.10.1-1~deb10u1
1:115.7.0-1~deb11u1
1:115.10.1-1~deb11u1
1:115.7.0-1~deb12u1
1:115.10.1-1~deb12u1
1:115.10.1-1

Remedy

https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a

Remedy

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863

Remedy

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remedy

https://github.com/webmproject/libwebp/commit/8bacd63a6de1cc091f85a1692390401e7bbf55ac

Remedy

https://github.com/webmproject/libwebp/commit/801d2be12dba966233c21f850490203eb1acf014

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2023-4863?

    CVE-2023-4863 is a vulnerability in Google Chromium WebP that allows a remote attacker to perform an out-of-bounds memory write.

  • Which software is affected by CVE-2023-4863?

    Microsoft Edge (Chromium-based), Google Chromium WebP, Microsoft Edge, Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird, and libwebp are affected by CVE-2023-4863.

  • What is the severity of CVE-2023-4863?

    CVE-2023-4863 has a severity rating of critical (8.8).

  • How can I fix the CVE-2023-4863 vulnerability?

    To fix the CVE-2023-4863 vulnerability, update your software to the latest version provided by the respective vendors or apply the available patches.

  • Where can I find more information about CVE-2023-4863?

    You can find more information about CVE-2023-4863 on the Microsoft Security Response Center (MSRC) website, Google Chrome Releases blog, and Bugzilla Mozilla website.

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