CVE-2026-82052
CVE-2026-82052 · $regexFindAll may crash mongod server when byte-matching multi-byte UTF-8 chars
This page contains facts from public vulnerability sources. Check the original advisory before updating.
The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.
CVSS 7.1 · High · EPSS 0.5% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
mongodb server
- Versions
- ≥ 8.3.0, < 8.3.9: Affected (semver)
- ≥ 8.0, < 8.0.30: Affected (semver)
- ≥ 7.0, < 7.0.41: Affected (semver)
Update to 7.0.41; Update to 8.0.30; Update to 8.3.9
mongodb Ubuntu:Pro:14.04:LTS
- Versions
- 1:2.4.6-0ubuntu5
- 1:2.4.6-0ubuntu6
- 1:2.4.8-1ubuntu1
- 1:2.4.8-2
- 1:2.4.9-1
- 1:2.4.9-1ubuntu1
- 1:2.4.9-1ubuntu2
- 1:2.4.9-1ubuntu2+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mongodb Ubuntu:Pro:16.04:LTS
- Versions
- 1:2.6.10-0ubuntu1
- 1:2.6.10-0ubuntu1+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mongodb Ubuntu:Pro:18.04:LTS
- Versions
- 1:3.4.7-1
- 1:3.4.7-1ubuntu1
- 1:3.4.7-1ubuntu2
- 1:3.4.7-1ubuntu4
- 1:3.4.14-3ubuntu1
- 1:3.4.14-3ubuntu2
- 1:3.6.3-0ubuntu1
- 1:3.6.3-0ubuntu1.1
- 1:3.6.3-0ubuntu1.3
- 1:3.6.3-0ubuntu1.4
- 1:3.6.3-0ubuntu1.4+esm1
- 1:3.6.3-0ubuntu1.4+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mongodb Ubuntu:Pro:20.04:LTS
- Versions
- 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2
- 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5
- 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2
- 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3
- 1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published