Threats Tagged 'cve-2026-42536'

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-2026-42536 is a heap-based buffer overflow vulnerability in Apache HTTP Server's mod_xml2enc module when processing untrusted content. This affects Apache HTTP Server versions from 2.4.0 up to but not including 2.4.68. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity, with an impact on availability but no direct confidentiality or integrity impact. Red Hat has issued security advisories providing updated packages that fix this issue. Users are strongly recommended to upgrade to version 2.4.68 or later to mitigate this vulnerability.

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.