CVE-2018-9860 · cross-distro fix matrix

CVE-2018-9860: An issue was discovered in Botan 1.11.32 through 2.x before 2.6.0. An off-by-one error when processing malformed TLS-CBC ciphertext could cause the receiving side to include in the HMAC computation exactly 64K bytes of data following the record buffer, aka an over-read. The MAC comparison will subse

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-9860 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

botan→ fixed in2.4.0-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y botan
```

Debian bookworm

Source: Debian Security Tracker

botan→ fixed in2.4.0-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y botan
```

Debian trixie

Source: Debian Security Tracker

botan→ fixed in2.4.0-6urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y botan
```

Alpine v3.20

Source: Alpine secdb

botan→ fixed in2.6.0-r0
```
apk update && apk add --upgrade botan
```

Alpine v3.21

Source: Alpine secdb

botan→ fixed in2.6.0-r0
```
apk update && apk add --upgrade botan
```

Alpine v3.18

Source: Alpine secdb

botan→ fixed in2.6.0-r0
```
apk update && apk add --upgrade botan
```

Alpine v3.19

Source: Alpine secdb

botan→ fixed in2.6.0-r0
```
apk update && apk add --upgrade botan
```

Are YOU affected by CVE-2018-9860?

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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