Threats Tagged 'cve-2026-34355'

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516) * httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() (CVE-2026-34059) * httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032) * httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857) * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169) * httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007) * Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780) * httpd: Apache HTTP Server: Arbitrary code execution or denial of service via use-after-free in mod_ldap per-directory configuration (CVE-2026-29167) * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356) * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185) * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631) * httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server (CVE-2026-44186) * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc (CVE-2026-42536) * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355) * httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This update includes the following RPMs: httpd: * httpd-2.4.68-1.hum1 (aarch64, x86_64) * httpd-core-2.4.68-1.hum1 (aarch64, x86_64) * httpd-devel-2.4.68-1.hum1 (aarch64, x86_64) * httpd-filesystem-2.4.68-1.hum1 (noarch) * httpd-manual-2.4.68-1.hum1 (noarch) * httpd-tools-2.4.68-1.hum1 (aarch64, x86_64) * mod_ldap-2.4.68-1.hum1 (aarch64, x86_64) * mod_lua-2.4.68-1.hum1 (aarch64, x86_64) * mod_proxy_html-2.4.68-1.hum1 (aarch64, x86_64) * mod_session-2.4.68-1.hum1 (aarch64, x86_64) * mod_ssl-2.4.68-1.hum1 (aarch64, x86_64) * httpd-2.4.68-1.hum1.src (src)

This update includes the following RPMs: httpd: * httpd-2.4.68-1.hum1 (aarch64, x86_64) * httpd-core-2.4.68-1.hum1 (aarch64, x86_64) * httpd-devel-2.4.68-1.hum1 (aarch64, x86_64) * httpd-filesystem-2.4.68-1.hum1 (noarch) * httpd-manual-2.4.68-1.hum1 (noarch) * httpd-tools-2.4.68-1.hum1 (aarch64, x86_64) * mod_ldap-2.4.68-1.hum1 (aarch64, x86_64) * mod_lua-2.4.68-1.hum1 (aarch64, x86_64) * mod_proxy_html-2.4.68-1.hum1 (aarch64, x86_64) * mod_session-2.4.68-1.hum1 (aarch64, x86_64) * mod_ssl-2.4.68-1.hum1 (aarch64, x86_64) * httpd-2.4.68-1.hum1.src (src)

CVE-2026-34355 is a heap-based buffer overflow vulnerability in the mod_proxy_html module of Apache HTTP Server versions 2.4.67 and earlier. This flaw allows an untrusted backend to trigger a buffer overflow, potentially leading to a security bypass. The issue is resolved in Apache HTTP Server version 2.4.68. Users are advised to upgrade to this fixed version to mitigate the risk.

A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue.