| Name | CVE-2021-46853 |
| Description | Alpine before 2.25 allows remote attackers to cause a denial of service (application crash) when LIST or LSUB is sent before STARTTLS. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| alpine (PTS) | jessie, jessie (lts) | 2.11+dfsg1-3+deb8u1 | vulnerable |
| stretch | 2.20+dfsg1-7 | vulnerable |
| buster | 2.21+dfsg1-1.1 | vulnerable |
| bullseye | 2.24+dfsg1-1 | vulnerable |
| bookworm | 2.26+dfsg-1 | fixed |
| sid, trixie | 2.26+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| alpine | source | jessie | (unfixed) | end-of-life | | |
| alpine | source | stretch | (unfixed) | end-of-life | | |
| alpine | source | (unstable) | 2.25+dfsg1-1 | | | |
Notes
[bullseye] - alpine <no-dsa> (Minor issue)
[buster] - alpine <no-dsa> (Minor issue)
https://nostarttls.secvuln.info
https://bugs.gentoo.org/807613
https://repo.or.cz/alpine.git/commitdiff/e58edb33f71687cb0b12c10a6cea2db2f8a35011 (v2.25)