| Name | CVE-2019-11500 |
| Description | In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1901-1, DSA-4510-1 |
| Debian Bugs | 936014 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| dovecot (PTS) | buster | 1:2.3.4.1-5+deb10u6 | fixed |
| buster (security) | 1:2.3.4.1-5+deb10u7 | fixed | |
| bullseye | 1:2.3.13+dfsg1-2+deb11u1 | fixed | |
| bookworm | 1:2.3.19.1+dfsg1-2.1 | fixed | |
| sid | 1:2.3.21+dfsg1-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| dovecot | source | jessie | 1:2.2.13-12~deb8u7 | DLA-1901-1 | ||
| dovecot | source | stretch | 1:2.2.27-3+deb9u5 | DSA-4510-1 | ||
| dovecot | source | buster | 1:2.3.4.1-5+deb10u1 | DSA-4510-1 | ||
| dovecot | source | (unstable) | 1:2.3.7.2-1 | 936014 |
https://dovecot.org/pipermail/dovecot-news/2019-August/000418.html
core: https://github.com/dovecot/core/commit/85fcb895ca7f0bcb8ee72047fe0e1e78532ff90b
core: https://github.com/dovecot/core/commit/f904cbdfec25582bc5e2a7435bf82ff769f2526a
pigeonhole: https://github.com/dovecot/pigeonhole/commit/7ce9990a5e6ba59e89b7fe1c07f574279aed922c
pigeonhole: https://github.com/dovecot/pigeonhole/commit/4a299840cdb51f61f8d1ebc0210b19c40dfbc1cc