CVE-2023-4863 · cross-distro fix matrix

CVE-2023-4863: Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

Affects 8 Linux releases across 35 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-4863 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

chromium→ fixed in117.0.5938.62-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y chromium
```
firefox-esr→ fixed in102.15.1esr-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
libwebp→ fixed in0.6.1-2.1+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libwebp
```
thunderbird→ fixed in1:102.15.1-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Debian bookworm

Source: Debian Security Tracker

chromium→ fixed in117.0.5938.62-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y chromium
```
firefox-esr→ fixed in102.15.1esr-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
libwebp→ fixed in1.2.4-0.2+deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libwebp
```
thunderbird→ fixed in1:102.15.1-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Debian trixie

Source: Debian Security Tracker

chromium→ fixed in117.0.5938.62-1urgency: unimportant
```
sudo apt-get install --only-upgrade -y chromium
```
firefox-esr→ fixed in115.2.1esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
libwebp→ fixed in1.2.4-0.3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libwebp
```
thunderbird→ fixed in1:115.2.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Alpine v3.20

Source: Alpine secdb

libwebp→ fixed in1.3.1-r1
```
apk update && apk add --upgrade libwebp
```

chromium→ fixed in116.0.5845.187-r0

apk update && apk add --upgrade chromium

firefox-esr→ fixed in115.2.1-r0

apk update && apk add --upgrade firefox-esr

qt5-qtimageformats→ fixed in5.15.10_git20230612-r1
```
apk update && apk add --upgrade qt5-qtimageformats
```

qt5-qtwebengine→ fixed in5.15.15-r1

apk update && apk add --upgrade qt5-qtwebengine

Alpine v3.21

Source: Alpine secdb

libwebp→ fixed in1.3.1-r1
```
apk update && apk add --upgrade libwebp
```

chromium→ fixed in116.0.5845.187-r0

apk update && apk add --upgrade chromium

firefox-esr→ fixed in115.2.1-r0

apk update && apk add --upgrade firefox-esr

qt5-qtimageformats→ fixed in5.15.10_git20230612-r1
```
apk update && apk add --upgrade qt5-qtimageformats
```

qt5-qtwebengine→ fixed in5.15.15-r1

apk update && apk add --upgrade qt5-qtwebengine

Alpine edge

Source: Alpine secdb

libwebp→ fixed in1.3.1-r1
```
apk update && apk add --upgrade libwebp
```

chromium→ fixed in116.0.5845.187-r0

apk update && apk add --upgrade chromium

firefox-esr→ fixed in115.2.1-r0

apk update && apk add --upgrade firefox-esr

Alpine v3.18

Source: Alpine secdb

libwebp→ fixed in1.3.1-r1
```
apk update && apk add --upgrade libwebp
```

chromium→ fixed in116.0.5845.187-r0

apk update && apk add --upgrade chromium

firefox-esr→ fixed in115.2.1-r0

apk update && apk add --upgrade firefox-esr

qt5-qtimageformats→ fixed in5.15.9_git20230407-r2
```
apk update && apk add --upgrade qt5-qtimageformats
```

qt5-qtwebengine→ fixed in5.15.13-r7

apk update && apk add --upgrade qt5-qtwebengine

Alpine v3.19

Source: Alpine secdb

libwebp→ fixed in1.3.1-r1
```
apk update && apk add --upgrade libwebp
```

chromium→ fixed in116.0.5845.187-r0

apk update && apk add --upgrade chromium

firefox-esr→ fixed in115.2.1-r0

apk update && apk add --upgrade firefox-esr

qt5-qtimageformats→ fixed in5.15.10_git20230612-r1
```
apk update && apk add --upgrade qt5-qtimageformats
```

qt5-qtwebengine→ fixed in5.15.15-r1

apk update && apk add --upgrade qt5-qtwebengine

Are YOU affected by CVE-2023-4863?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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