CVE-2025-5449 · cross-distro fix matrix

CVE-2025-5449: A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash, res

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-5449 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

libssh→ fixed in0.11.2-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libssh
```

Alpine edge

Source: Alpine secdb

libssh→ fixed in0.11.2-r0
```
apk update && apk add --upgrade libssh
```

Are YOU affected by CVE-2025-5449?

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

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