CVE-2019-9826 json
phpBB Denial of Service
published 2019-05-02 7 y ago modified 2026-06-17 4 mo ago also GHSA-6pgr-x867-h7jx , EUVD-2022-2836
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
The fulltext search component in phpBB before 3.2.6 allows Denial of Service.
Patch / fix
- packagist phpbb/phpbb 3.2.6
- phpbb3 Ubuntu Pro 14.04 LTS 3.0.12-1ubuntu0.1~esm1
ubuntu advisories UBUNTU-CVE-2019-9826
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
2.01% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | phpbb/phpbb | <3.2.6 |
3.2.6 |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
phpbb.com
/community/viewtopic.php?f=14&t=2509941
web, vendor-advisory
-
openwall.com
/lists/oss-security/2019/04/29/3
mailing-list, web, mitigation, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2019/05/msg00004.html
mailing-list
-
nvd.nist.gov
/vuln/detail/CVE-2019-9826
advisory
-
github.com
/phpbb/phpbb-app
package
Sources
- CVE List CVE-2019-9826
- GitHub Advisory GHSA-6pgr-x867-h7jx
- NVD CVE-2019-9826
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.