CVE-2020-6829 · cross-distro fix matrix

CVE-2020-6829: When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerab

Affects 8 Linux releases across 15 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-6829 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

nss→ fixed in2:3.55-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```

Debian bookworm

Source: Debian Security Tracker

nss→ fixed in2:3.55-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```

Debian trixie

Source: Debian Security Tracker

nss→ fixed in2:3.55-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y nss
```

Alpine v3.20

Source: Alpine secdb

nss→ fixed in3.55-r0
```
apk update && apk add --upgrade nss
```
firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

Alpine v3.21

Source: Alpine secdb

nss→ fixed in3.55-r0
```
apk update && apk add --upgrade nss
```
firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

librewolf→ fixed in80.0-r0

apk update && apk add --upgrade librewolf

Alpine edge

Source: Alpine secdb

nss→ fixed in3.55-r0
```
apk update && apk add --upgrade nss
```
firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

librewolf→ fixed in80.0-r0

apk update && apk add --upgrade librewolf

Alpine v3.18

Source: Alpine secdb

firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```
nss→ fixed in3.55-r0
```
apk update && apk add --upgrade nss
```

Alpine v3.19

Source: Alpine secdb

nss→ fixed in3.55-r0
```
apk update && apk add --upgrade nss
```
firefox→ fixed in80.0-r0
```
apk update && apk add --upgrade firefox
```

Are YOU affected by CVE-2020-6829?

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

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