What’s Vulnerable › Vulnerabilities

CVE-2023-49208

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-23 · updated 2026-06-17
• Weakness: CWE-120

Description

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

Affected products

• Glewlwyd Sso Server Project Glewlwyd Sso Server: before 2.7.6 — fixed in 2.7.6

How to fix

Upgrade to a fixed version: Glewlwyd Sso Server Project Glewlwyd Sso Server 2.7.6. Check the vendor advisory for mitigations.

References

• https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812
• https://github.com/babelouest/glewlwyd/releases/tag/v2.7.6
• https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812
• https://github.com/babelouest/glewlwyd/releases/tag/v2.7.6

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