CVE-2022-22747 · cross-distro fix matrix

CVE-2022-22747: After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Affects 8 Linux releases across 26 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2022-22747 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

firefox-esr→ fixed in91.5.0esr-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nss→ fixed in2:3.61-1+deb11u2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```
thunderbird→ fixed in1:91.5.0-2~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Debian bookworm

Source: Debian Security Tracker

firefox-esr→ fixed in91.5.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nss→ fixed in2:3.73-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```
thunderbird→ fixed in1:91.5.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Debian trixie

Source: Debian Security Tracker

firefox-esr→ fixed in91.5.0esr-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y firefox-esr
```
nss→ fixed in2:3.73-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```
thunderbird→ fixed in1:91.5.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y thunderbird
```

Alpine v3.20

Source: Alpine secdb

firefox-esr→ fixed in91.5.0-r0

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

firefox→ fixed in97.0-r0
```
apk update && apk add --upgrade firefox
```

thunderbird→ fixed in91.5.0-r0

apk update && apk add --upgrade thunderbird

Alpine v3.21

Source: Alpine secdb

firefox-esr→ fixed in91.5.0-r0

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

firefox→ fixed in97.0-r0
```
apk update && apk add --upgrade firefox
```

librewolf→ fixed in97.0-r0

apk update && apk add --upgrade librewolf

thunderbird→ fixed in91.5.0-r0

apk update && apk add --upgrade thunderbird

Alpine edge

Source: Alpine secdb

firefox-esr→ fixed in91.5.0-r0

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

firefox→ fixed in97.0-r0
```
apk update && apk add --upgrade firefox
```

librewolf→ fixed in97.0-r0

apk update && apk add --upgrade librewolf

thunderbird→ fixed in91.5.0-r0

apk update && apk add --upgrade thunderbird

Alpine v3.18

Source: Alpine secdb

firefox-esr→ fixed in91.5.0-r0

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

firefox→ fixed in97.0-r0
```
apk update && apk add --upgrade firefox
```

thunderbird→ fixed in91.5.0-r0

apk update && apk add --upgrade thunderbird

Alpine v3.19

Source: Alpine secdb

firefox-esr→ fixed in91.5.0-r0

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

firefox→ fixed in97.0-r0
```
apk update && apk add --upgrade firefox
```

thunderbird→ fixed in91.5.0-r0

apk update && apk add --upgrade thunderbird

Are YOU affected by CVE-2022-22747?

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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