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Vulnerability Database · Debian · Package report

libapache2-mod-auth-openidc: vulnerability history, versions and safety

libapache2-mod-auth-openidc is a package in the Debian ecosystem. Vulert records 38 vulnerabilities for it across 47 releases, from Mar 2017 to Aug 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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38 vulnerabilities recorded U38
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1 with no fix published

No patched version yet — these are the ones to plan around.

See the unfixed vulnerabilities →
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1 in the last 12 months

Most recent disclosure 21 Aug 2026.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all libapache2-mod-auth-openidc vulnerabilities

Vulert verdict on libapache2-mod-auth-openidc i

Updated on 23 Oct 2026

Careful: one of the 38 vulnerabilities Vulert records for this package has no fix yet. Plan around that one, or apply its workaround. The rest have a fixed version to move to.

Long-term outlook: usable, but needs attention 38 vulnerabilities on record across 9 years, 1 in the last year.

What to do: Plan around the 1 vulnerability with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →

  • Vulnerabilities on record 38 over 9 years · 1 in the last year i
  • Latest disclosure 21 Aug 2026 i
  • Highest CVSS 8.6 i
  • With no published fix 1 i

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01 Versions

Which versions are affected

Every version Vulert holds for libapache2-mod-auth-openidc, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.

Newest 47 of 47 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2017 6
  • 2019 4
  • 2020 2
  • 2021 12
  • 2022 2
  • 2023 3
  • 2024 2
  • 2025 6
  • 2026 1

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 1 of the 38 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for libapache2-mod-auth-openidc

The 5 most severe of 38 vulnerabilities recorded for this package

Search all 38 in the database →
Vulnerability Severity Fixed version ↓ Disclosed ↓
Authentication Bypass Vulnerability in libapache2-mod-auth-openidc 8.6 high 2.1.5-1 02 Mar 2017
Authentication Bypass Vulnerability in libapache2-mod-auth-openidc 8.6 high 2.1.6-1 02 Mar 2017
Out-of-Bounds Read and Write Vulnerability in libapache2-mod-auth-openidc 7.5 high No fix published 21 Aug 2026
Denial of Service Vulnerability in mod_auth_openidc - libapache2-mod-auth-openidc 7.5 high 2.4.9.4-0+deb11u4 13 Feb 2024
Denial-of-Service Vulnerability in libapache2-mod-auth-openidc (CVE-2021-20718) 7.5 high 2.4.4.1-2 20 May 2021

Vulnerability wrong, a fix missing, or a package we should cover? Report it and we will fix the record. Report Vulnerability Provide Feedback

Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About libapache2-mod-auth-openidc

Is libapache2-mod-auth-openidc safe to use?

Vulert records 38 vulnerabilities for libapache2-mod-auth-openidc in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 38 not yet rated. 1 of them has no published fix yet, so that is the one to avoid or mitigate.

How many vulnerabilities does libapache2-mod-auth-openidc have?

38 vulnerabilities are recorded for libapache2-mod-auth-openidc in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 38 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new libapache2-mod-auth-openidc vulnerabilities disclosed?

1 vulnerability was recorded for libapache2-mod-auth-openidc in the last 12 months, and the oldest entry in this database dates to 02 Mar 2017. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of libapache2-mod-auth-openidc are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor libapache2-mod-auth-openidc for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the libapache2-mod-auth-openidc version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.