| Name | CVE-2021-20718 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 989055 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libapache2-mod-auth-openidc (PTS) | bullseye | 2.4.9.4-0+deb11u4 | fixed |
| bullseye (security) | 2.4.9.4-0+deb11u3 | fixed |
| bookworm | 2.4.12.3-2+deb12u2 | fixed |
| trixie | 2.4.16.5-1 | fixed |
| sid | 2.4.16.6-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - libapache2-mod-auth-openidc <not-affected> (Vulnerable code introduced later)
[stretch] - libapache2-mod-auth-openidc <not-affected> (Vulnerable code introduced later)
https://github.com/zmartzone/mod_auth_openidc/commit/5ef1b0a74208fcb43a16795d0afc94c3d54cd120