CVE catalog
CVE-2019-20479
libapache2-mod-auth-openidc: CVE-2019-20479
- Severity
- Medium · CVSS 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.89% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libapache2-mod-auth-openidc | sid | 2.4.20.3-1 | fixed |
| Debian | libapache2-mod-auth-openidc | forky | 2.4.20.3-1 | fixed |
| Debian | libapache2-mod-auth-openidc | trixie | 2.4.17-1 | fixed |
| Debian | libapache2-mod-auth-openidc | trixie-security | 2.4.17-1+deb13u1 | fixed |
| Debian | libapache2-mod-auth-openidc | bookworm | 2.4.12.3-2+deb12u4 | fixed |
| Debian | libapache2-mod-auth-openidc | bookworm-security | 2.4.12.3-2+deb12u5 | fixed |
| Suse | apache2-mod_auth_openidc | linux enterprise server 12 sp4 | 2.4.0-3.11.1 | fixed |
| Suse | apache2-mod_auth_openidc | linux enterprise server for sap applications 12 sp4 | 2.4.0-3.11.1 | fixed |
| Suse | apache2-mod_auth_openidc | linux enterprise server 12 sp5 | 2.4.0-3.11.1 | fixed |
| Suse | apache2-mod_auth_openidc | linux enterprise server for sap applications 12 sp5 | 2.4.0-3.11.1 | fixed |
| Opensuse | apache2-mod_auth_openidc | leap 15.1 | 2.3.8-lp151.2.6.1 | fixed |
| Suse | apache2-mod_auth_openidc | linux enterprise module for server applications 15 sp1 | 2.3.8-3.7.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libapache2-mod-auth-openidc | source | sid | 2.4.1-1 | not yet assigned | Not reported | Not reported |
| Debian | libapache2-mod-auth-openidc | source | forky | 2.4.1-1 | not yet assigned | Not reported | Not reported |
| Debian | libapache2-mod-auth-openidc | source | trixie | 2.4.1-1 | not yet assigned | Not reported | Not reported |
| Debian | libapache2-mod-auth-openidc | source | bookworm | 2.4.1-1 | not yet assigned | Not reported | Not reported |
| Suse | apache2-mod_auth_openidc | rpm | linux enterprise server 12 sp4 | 2.4.0-3.11.1 | Not reported | SUSE-SU-2020:0706-1 | Not reported |
| Suse | apache2-mod_auth_openidc | rpm | linux enterprise server for sap applications 12 sp4 | 2.4.0-3.11.1 | Not reported | SUSE-SU-2020:0706-1 | Not reported |
| Suse | apache2-mod_auth_openidc | rpm | linux enterprise server 12 sp5 | 2.4.0-3.11.1 | Not reported | SUSE-SU-2020:0706-1 | Not reported |
| Suse | apache2-mod_auth_openidc | rpm | linux enterprise server for sap applications 12 sp5 | 2.4.0-3.11.1 | Not reported | SUSE-SU-2020:0706-1 | Not reported |
| Opensuse | apache2-mod_auth_openidc | rpm | leap 15.1 | 2.3.8-lp151.2.6.1 | Not reported | OPENSUSE-SU-2020:0376-1 | Not reported |
| Suse | apache2-mod_auth_openidc | rpm | linux enterprise module for server applications 15 sp1 | 2.3.8-3.7.1 | Not reported | SUSE-SU-2020:0705-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libapache2-mod-auth-openidc]Unknown
Details (4)
2.4.12.3-2+deb12u4· amd64 · bookwormFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · bookworm; dsa · libapache2-mod-auth-openidc · debian · 12
2.4.12.3-2+deb12u4· arm64 · bookwormFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · bookworm; dsa · libapache2-mod-auth-openidc · debian · 12
2.4.12.3-2+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · bookworm; dsa · libapache2-mod-auth-openidc · debian · 12
2.4.12.3-2+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · bookworm; dsa · libapache2-mod-auth-openidc · debian · 12
[Debian 13 (Trixie)]
- [libapache2-mod-auth-openidc]Unknown
Details (3)
2.4.17-1· amd64 · trixieFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · 13
2.4.17-1· arm64 · trixieFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · 13
2.4.17-1+deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.1-1dsa · libapache2-mod-auth-openidc · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2020:3032]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2020_3032.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-20479]
- [https://osv.dev/vulnerability/DLA-2130-1]
- [https://osv.dev/vulnerability/DLA-3409-1]
- [https://osv.dev/vulnerability/SUSE-SU-2020:0705-1]
- [https://osv.dev/vulnerability/SUSE-SU-2020:0706-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2020:0376-1]
- [https://security-tracker.debian.org/tracker/CVE-2019-20479]
- [https://wid.cert-bund.de/.well-known/csaf/white/2020/wid-sec-w-2025-2930.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]