Critical severity9.8NVD Advisory· Published Feb 2, 2018· Updated Jun 17, 2026
CVE-2018-6521
CVE-2018-6521
Description
The sqlauth module in SimpleSAMLphp before 1.15.2 relies on the MySQL utf8 charset, which truncates queries upon encountering four-byte characters. There might be a scenario in which this allows remote attackers to bypass intended access restrictions.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
simplesamlphp/simplesamlphpPackagist | < 1.15.2 | 1.15.2 |
Affected products
5Patches
Vulnerability mechanics
References
6- lists.debian.org/debian-lts-announce/2018/02/msg00008.htmlnvdExploitMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-qv5p-6wrc-79wgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-6521ghsaADVISORY
- simplesamlphp.org/security/201801-03nvdVendor AdvisoryWEB
- www.debian.org/security/2018/dsa-4127nvdThird Party AdvisoryWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2018-6521.yamlghsaWEB
News mentions
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