CVE-2021-31525 · cross-distro fix matrix

CVE-2021-31525: net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

Affects 8 Linux releases across 9 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-31525 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

golang-1.15→ fixed in1.15.9-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-1.15
```
golang-golang-x-net→ fixed in1:0.0+git20210119.5f4716e+dfsg-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-golang-x-net
```

Debian bookworm

Source: Debian Security Tracker

golang-golang-x-net→ fixed in1:0.0+git20210119.5f4716e+dfsg-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-golang-x-net
```

Debian trixie

Source: Debian Security Tracker

golang-golang-x-net→ fixed in1:0.0+git20210119.5f4716e+dfsg-3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y golang-golang-x-net
```

Alpine v3.20

Source: Alpine secdb

go→ fixed in1.16.4-r0
```
apk update && apk add --upgrade go
```

Alpine v3.21

Source: Alpine secdb

go→ fixed in1.16.4-r0
```
apk update && apk add --upgrade go
```

Alpine edge

Source: Alpine secdb

go→ fixed in1.16.4-r0
```
apk update && apk add --upgrade go
```

Alpine v3.18

Source: Alpine secdb

go→ fixed in1.16.4-r0
```
apk update && apk add --upgrade go
```

Alpine v3.19

Source: Alpine secdb

go→ fixed in1.16.4-r0
```
apk update && apk add --upgrade go
```

Are YOU affected by CVE-2021-31525?

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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