This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-59844 →

DEBIAN-CVE-2026-59844

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP serv...

Original description

The description as published by the source.

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 libssh

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 libssh

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.5-0+deb13u1"}]}]

Debian:14 libssh

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.12.1-1"}]}]

References

advisory security-tracker.debian.org