CVE-2019-15237
roundcube: Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names,leading to homograph attacks.
CVE-2019-15237 is fixed in 6 products on 1 platform, first by roundcube 1.5.0+dfsg.1-2, released February 9, 2021. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0103
63rd percentile
Roundcube Webmail through 1.3.9 mishandles Punycode xn-- domain names,leading to homograph attacks.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| roundcube · Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | roundcube 1.3.6+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube · Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | roundcube 1.4.3+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube · Ubuntu 22.04.1 LTS (jammy) | 1.5.0+dfsg.1-2 | roundcube 1.5.0+dfsg.1-2 | Feb 9, 2021 |
| roundcube · Ubuntu 24.10 (oracular) | 1.5.0+dfsg.1-2 | roundcube 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube · Ubuntu 25.04 (plucky) | 1.5.0+dfsg.1-2 | roundcube 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-core · Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | roundcube-core 1.3.6+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-core · Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | roundcube-core 1.4.3+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-core · Ubuntu 22.04.1 LTS (jammy) | 1.5.0+dfsg.1-2 | roundcube-core 1.5.0+dfsg.1-2 | Feb 9, 2021 |
| roundcube-core · Ubuntu 24.10 (oracular) | 1.5.0+dfsg.1-2 | roundcube-core 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-core · Ubuntu 25.04 (plucky) | 1.5.0+dfsg.1-2 | roundcube-core 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-mysql · Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | roundcube-mysql 1.3.6+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-mysql · Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | roundcube-mysql 1.4.3+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-mysql · Ubuntu 22.04.1 LTS (jammy) | 1.5.0+dfsg.1-2 | roundcube-mysql 1.5.0+dfsg.1-2 | Feb 9, 2021 |
| roundcube-mysql · Ubuntu 24.10 (oracular) | 1.5.0+dfsg.1-2 | roundcube-mysql 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-mysql · Ubuntu 25.04 (plucky) | 1.5.0+dfsg.1-2 | roundcube-mysql 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-pgsql · Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | roundcube-pgsql 1.3.6+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-pgsql · Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | roundcube-pgsql 1.4.3+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-pgsql · Ubuntu 22.04.1 LTS (jammy) | 1.5.0+dfsg.1-2 | roundcube-pgsql 1.5.0+dfsg.1-2 | Feb 9, 2021 |
| roundcube-pgsql · Ubuntu 24.10 (oracular) | 1.5.0+dfsg.1-2 | roundcube-pgsql 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-pgsql · Ubuntu 25.04 (plucky) | 1.5.0+dfsg.1-2 | roundcube-pgsql 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-plugins · Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | roundcube-plugins 1.3.6+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-plugins · Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | roundcube-plugins 1.4.3+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-plugins · Ubuntu 22.04.1 LTS (jammy) | 1.5.0+dfsg.1-2 | roundcube-plugins 1.5.0+dfsg.1-2 | Feb 9, 2021 |
| roundcube-plugins · Ubuntu 24.10 (oracular) | 1.5.0+dfsg.1-2 | roundcube-plugins 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-plugins · Ubuntu 25.04 (plucky) | 1.5.0+dfsg.1-2 | roundcube-plugins 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-sqlite3 · Ubuntu 18.04.6 LTS (bionic) | 1.3.6+dfsg.1-1ubuntu0.1~esm8 | roundcube-sqlite3 1.3.6+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-sqlite3 · Ubuntu 20.04 LTS (focal) | 1.4.3+dfsg.1-1ubuntu0.1~esm8 | roundcube-sqlite3 1.4.3+dfsg.1-1ubuntu0.1~esm8 | Feb 10, 2026 |
| roundcube-sqlite3 · Ubuntu 22.04.1 LTS (jammy) | 1.5.0+dfsg.1-2 | roundcube-sqlite3 1.5.0+dfsg.1-2 | Feb 9, 2021 |
| roundcube-sqlite3 · Ubuntu 24.10 (oracular) | 1.5.0+dfsg.1-2 | roundcube-sqlite3 1.5.0+dfsg.1-2 | Jan 16, 2026 |
| roundcube-sqlite3 · Ubuntu 25.04 (plucky) | 1.5.0+dfsg.1-2 | roundcube-sqlite3 1.5.0+dfsg.1-2 | Jan 16, 2026 |
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