CVE-2015-8948 · cross-distro fix matrix

CVE-2015-8948: idn in GNU libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read.

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

Fix per ecosystem

Each block below is a distro release where CVE-2015-8948 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libidn→ fixed in1.33-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libidn
```

Debian bookworm

Source: Debian Security Tracker

libidn→ fixed in1.33-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libidn
```

Debian trixie

Source: Debian Security Tracker

libidn→ fixed in1.33-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libidn
```

Alpine v3.20

Source: Alpine secdb

libidn→ fixed in1.33-r0
```
apk update && apk add --upgrade libidn
```

Alpine v3.21

Source: Alpine secdb

libidn→ fixed in1.33-r0
```
apk update && apk add --upgrade libidn
```

Alpine edge

Source: Alpine secdb

libidn→ fixed in1.33-r0
```
apk update && apk add --upgrade libidn
```

Alpine v3.18

Source: Alpine secdb

libidn→ fixed in1.33-r0
```
apk update && apk add --upgrade libidn
```

Alpine v3.19

Source: Alpine secdb

libidn→ fixed in1.33-r0
```
apk update && apk add --upgrade libidn
```

Are YOU affected by CVE-2015-8948?

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