mod_auth_openidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Prior to 2.4.19.4, an out-of-bounds read and a one-byte out-of-bounds write exist in the state-cookie par...
Product
debian/libapache2-mod-auth-openidc vulnerabilities
30 published CVES affecting debian/libapache2-mod-auth-openidc, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 30
- Critical
- 0
- High
- 10
- Medium
- 8
- Low
- 0
- Unscored
- 12
- CISA KEV
- 0
Latest debian/libapache2-mod-auth-openidc CVEs
Newest publication first · page 1 of 2
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HighCVSS 7.5 EPSS 0.49%
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Unknown
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Unknown
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CVE-2025-3891 Mod_auth_openidc: dos via empty post in mod_auth_openidc with oidcpreservepost enabled
PublishedHighCVSS 7.5 EPSS 1.6%A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availab...
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Unknown
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Unknown
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CVE-2025-31492 mod_auth_openidc allows OIDCProviderAuthRequestMethod POSTs to leak protected data
PublishedHighCVSS 8.2 EPSS 0.59%mod_auth_openidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Prior to 2.4.16.11, a bug in a mod_auth_openidc results in disclosure of protected content to unauthentic...
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Unknown
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HighCVSS 7.5 EPSS 1.3%
mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In affected versions missing input validation on mod_auth_openidc_session_chunks cookie value makes the...
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Unknown
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Unknown
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Unknown
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HighCVSS 7.5 EPSS 1.3%
mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In versions 2.0.0 through 2.4.13.1, when OIDCStripCookies is set and a crafted cookie supplied, a NULL pointer dereference...
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MediumCVSS 6.1 EPSS 0.94%
mod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() do...
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MediumCVSS 6.1 EPSS 1.7%
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9.4, the 3rd-party init SSO functionality of mod_auth_ope...
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MediumCVSS 6.1 EPSS 1.5%
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when us...
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MediumCVSS 5.9 EPSS 1.5%
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, the AES GCM encryption in mod_auth_openi...
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MediumCVSS 6.1 EPSS 2.4%
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In versions prior to 2.4.9, oidc_validate_redirect_url() does not parse URLs the s...
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HighCVSS 7.5 EPSS 2.7%
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. When mod_auth_openidc versions prior to 2.4.9 are configured to use an unencrypted...
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HighCVSS 7.5 EPSS 3.4%
mod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.
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Unknown
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Unknown
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MediumCVSS 6.1 EPSS 1.9%
A flaw was found in mod_auth_openidc before version 2.4.1. An open redirect issue exists in URLs with a slash and backslash at the beginning.
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MediumCVSS 6.1 EPSS 1.6%
A flaw was found in mod_auth_openidc before version 2.4.0.1. An open redirect issue exists in URLs with trailing slashes similar to CVE-2019-3877 in mod_auth_mellon.
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Unknown
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.