OESA-2026-1530 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: An integer overflow vulnerability was found in Apache HTTP Server versions 2.4.30 to 2.4.66. In case of failed ACME certificate renewal, after a number of failures 30 days in default configurations, the...

OESA-2026-1064 httpd security update

Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Security Fixes: An integer overflow vulnerability was found in Apache HTTP Server versions 2.4.30 to 2.4.66. In case of failed ACME certificate renewal, after a number of failures 30 days in default configurations, the...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

mod_md: Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow flaw has been discovered in the Apache HTTP server. The integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated...

SUSE CVE-2025-55753

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

EUVD-2025-201395

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

CVE-2025-55753

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

ALPINE-CVE-2025-55753

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

CVE-2025-55753 Apache HTTP Server: mod_md (ACME), unintended retry intervals

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures 30 days in default configurations, to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds. This issue affects Apache HTTP Server: fro...

CVE-2025-55753

CVE-2025-55753 affects Apache HTTP Server (2.4.30–2.4.65). The issue is an integer overflow during failed ACME certificate renewals that, after ~30 days in default configs, causes the backoff timer to become 0. Thereafter, renewal attempts occur repeatedly without delays until success, potentiall...