CLEANSTART-2026-GS47054 By specially crafting HTTP requests, the mod_md challenge handler would dereference a NULL pointer and cause the child process to segfault

Security vulnerability affects the apache2 package. By specially crafting HTTP requests, the modmd challenge handler would dereference a NULL pointer and cause the child process to segfault...

Rocky Linux 10.2 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource (crlsa-2026_30845)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202630845 advisory. httpd: modmd: unrestricted OCSP response leads to resource exhaustion CVE-2026-29168 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 9 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource (crlsa-2025_23739)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202523739 advisory. modmd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-55753 Tenable has extracted the preceding description block directly from the CIQ securi...

Rocky Linux 8.6 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource Multiple Vulnerabilities (ciqsa-2026_0750)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260750 advisory. This advisory aggregates security fixes for the modmd SRPM in CIQ LTS 8.6. It addresses 5 CVEs: CVE-2006-20001, CVE-2022-36760, CVE-2022-37436,...

Rocky Linux 10.1 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource (crlsa-2025_23738)

The Rocky Linux 10.1 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202523738 advisory. modmd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-55753 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 9 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource (crlsa-2026_30844)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202630844 advisory. httpd: modmd: unrestricted OCSP response leads to resource exhaustion CVE-2026-29168 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 8 [CIQ] Security Update: httpd / httpd-debuginfo / httpd-debugsource / httpd-devel / etc Multiple Vulnerabilities (crlsa-2025_23732)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523732 advisory. httpd: Apache HTTP Server: CGI environment variable override CVE-2025-65082 modmd: Apache HTTP Server: modmd ACME, unintended retry intervals CVE-2025-557...

Rocky Linux 8.8 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource Multiple Vulnerabilities (ciqsa-2026_1013)

The Rocky Linux 8.8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261013 advisory. This advisory aggregates security fixes for the modmd SRPM in CIQ LTS 8.8. It addresses 7 CVEs: CVE-2024-38475, CVE-2024-38474, CVE-2024-39573,...

Rocky Linux 8.6 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource Multiple Vulnerabilities (ciqsa-2026_1016)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261016 advisory. This advisory aggregates security fixes for the modmd SRPM in CIQ LTS 8.6. It addresses 7 CVEs: CVE-2024-38475, CVE-2024-38474, CVE-2024-39573,...

Rocky Linux 8.8 [CIQ] Security Update: mod_md / mod_md-debuginfo / mod_md-debugsource Multiple Vulnerabilities (ciqsa-2026_0312)

The Rocky Linux 8.8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260312 advisory. This advisory aggregates security fixes for the modmd SRPM in CIQ LTS 8.8. It addresses 3 CVEs: CVE-2023-31122, CVE-2024-38476, CVE-2023-38709. Tenable h...

Rocky Linux 9.6 [TuxCare] Security Update: mod_md (ALMALINUX9.6:CLSA-2026:1782919559)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782919559 advisory. - Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's modmd via OCSP response data. This issue affec...

AlmaLinux 9.2 [TuxCare] Security Update: mod_md (ALMALINUX9.2:CLSA-2026:1783351991)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783351991 advisory. - Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's modmd via OCSP response data. This issue affects...

AlmaLinux 9.6 [TuxCare] Security Update: mod_md (ALMALINUX9.6:CLSA-2026:1782919559)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1782919559 advisory. - Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's modmd via OCSP response data. This issue affects...

Rocky Linux 9.6 [TuxCare] Security Update: mod_md (ALMALINUX9.6:CLSA-2026:1767629031)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1767629031 advisory. - An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, t...

RHSA-2026:57844 Red Hat Security Advisory: mod_md security update

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RHSA-2026:57642 Red Hat Security Advisory: mod_md security update

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RHSA-2026:57641 Red Hat Security Advisory: mod_md security update

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httpd: mod_md: unrestricted OCSP response leads to resource exhaustion

A flaw was found in the modmd module of httpd. When processing OCSP Online Certificate Status Protocol responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service...

Moderate: Red Hat Security Advisory: mod_md security update

An update for modmd is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : mod_md (RHSA-2026:57844)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:57844 advisory. This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate...