CVE-2019-17498 · cross-distro fix matrix

CVE-2019-17498: In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-17498 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libssh2→ fixed in1.9.0-1urgency: low

sudo apt-get install --only-upgrade -y libssh2

Debian bookworm

Source: Debian Security Tracker

libssh2→ fixed in1.9.0-1urgency: low

sudo apt-get install --only-upgrade -y libssh2

Debian trixie

Source: Debian Security Tracker

libssh2→ fixed in1.9.0-1urgency: low

sudo apt-get install --only-upgrade -y libssh2

Alpine v3.20

Source: Alpine secdb

libssh2→ fixed in1.9.0-r1
```
apk update && apk add --upgrade libssh2
```

Alpine v3.21

Source: Alpine secdb

libssh2→ fixed in1.9.0-r1
```
apk update && apk add --upgrade libssh2
```

Alpine edge

Source: Alpine secdb

libssh2→ fixed in1.9.0-r1
```
apk update && apk add --upgrade libssh2
```

Alpine v3.18

Source: Alpine secdb

libssh2→ fixed in1.9.0-r1
```
apk update && apk add --upgrade libssh2
```

Alpine v3.19

Source: Alpine secdb

libssh2→ fixed in1.9.0-r1
```
apk update && apk add --upgrade libssh2
```

Are YOU affected by CVE-2019-17498?

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

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