| Name | CVE-2019-12953 |
| Description | Dropbear 2011.54 through 2018.76 has an inconsistent failure delay that may lead to revealing valid usernames, a different issue than CVE-2018-15599. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1009062 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dropbear (PTS) | jessie, jessie (lts) | 2014.65-1+deb8u3 | vulnerable |
| stretch | 2016.74-5+deb9u1 | vulnerable |
| buster (security), buster, buster (lts) | 2018.76-5+deb10u2 | fixed |
| bullseye | 2020.81-3+deb11u2 | fixed |
| bookworm | 2022.83-1+deb12u2 | fixed |
| sid, trixie | 2024.86-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| dropbear | source | buster | 2018.76-5+deb10u1 | | | |
| dropbear | source | (unstable) | 2019.78-1 | | | 1009062 |
Notes
[stretch] - dropbear <postponed> (Minor issue but fixed along next DLA)
https://hg.ucc.asn.au/dropbear/rev/228b086794b7
[jessie] - dropbear <postponed> (Minor issue but fix along the next ELA)