CVE-2020-8927 · cross-distro fix matrix

CVE-2020-8927: A buffer overflow exists in the Brotli library versions prior to 1.0.8 where an attacker controlling the input length of a "one-shot" decompression request to a script can trigger a crash, which happens when copying over chunks of data larger than 2 GiB. It is recommended to update your Brotli libra

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-8927 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

brotli→ fixed in1.0.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y brotli
```

Debian bookworm

Source: Debian Security Tracker

brotli→ fixed in1.0.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y brotli
```

Debian trixie

Source: Debian Security Tracker

brotli→ fixed in1.0.9-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y brotli
```

Alpine v3.20

Source: Alpine secdb

brotli→ fixed in1.0.9-r0
```
apk update && apk add --upgrade brotli
```

Alpine v3.21

Source: Alpine secdb

brotli→ fixed in1.0.9-r0
```
apk update && apk add --upgrade brotli
```

Alpine edge

Source: Alpine secdb

brotli→ fixed in1.0.9-r0
```
apk update && apk add --upgrade brotli
```

Alpine v3.18

Source: Alpine secdb

brotli→ fixed in1.0.9-r0
```
apk update && apk add --upgrade brotli
```

Alpine v3.19

Source: Alpine secdb

brotli→ fixed in1.0.9-r0
```
apk update && apk add --upgrade brotli
```

Are YOU affected by CVE-2020-8927?

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.

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