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CVE-2026-119618

Apache HTTP Server: mod_http2: heap corruption and RCE in assign_headers

Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE. This issue affects Apache HTTP Server: from 2.4.55 through 2.4.70. Affected releases of mod_h2 from GitHub: from 2.0.8 through 2.0.42.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Apache Apache Software Foundation Redhat
Products
Apache Http Server Http Server Apache Http Server and 4 more
CVE-2024-38472

Apache HTTP Server on WIndows UNC SSRF

SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.60 which fixes this issue.  Note: Existing configurations that access UNC paths will have to configure new directive "UNCList" to allow access during request processing.

CVSS 3.1 · 7.5 High EPSS 69.5% KEV · Not listed
Vendors
Apache Apache Software Foundation Netapp and 1 more
Products
Http Server Apache Http Server Ontap and 1 more
CVE-2026-63686

Apache HTTP Server: mod_xml2enc crash on charset conversion failure

A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Apache Http Server Http Server Hummingbird
CVE-2026-73636

Apache HTTP Server: mod_auth_digest one-time-nonce replay attack

Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Apache Http Server Http Server Hummingbird
CVE-2026-73637

Apache HTTP Server: mod_auth_digest DoS attack

Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Apache Http Server Http Server Hummingbird
CVE-2026-93546

Apache HTTP Server: mod_dav_fs namespace overflow

Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write access to crash worker processes and persistently corrupt a directory's property database via PROPPATCH requests declaring many XML namespaces.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server
CVE-2026-57941

Apache HTTP Server: mod_http2 use-after-free / wild write via shared session->bbtmp re-entrancy

Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server
CVE-2026-58415

Apache HTTP Server: mod_dav_fs property database read access

Internal state files accessible to external parties in mod_dav_fs in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows a remote client to read WebDAV dead properties of resources it cannot author via a GET request for the .DAV state directory This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Apache Http Server Http Server Hummingbird
CVE-2026-63045

Apache HTTP Server: mod_proxy_ftp PASV address handling

Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an arbitrary third-party host via a crafted PASV response. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Apache Http Server Http Server Hummingbird
CVE-2026-48005

Apache HTTP Server: mod_auth_digest reauthentication attack

Missing authentication checks in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause a denial of service (forced re-authentication) via forged Authorization headers when Digest authentication is enabled with AuthDigestNcCheck . Users are recommended to upgrade to version 2.4.69, which fixes this issue.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache Redhat
Products
Apache Http Server Http Server Hummingbird
CVE-2026-44631

Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. 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.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server
CVE-2026-44186

Apache HTTP Server: Loop in `proxy_ftp_handler` in mod_proxy_ftp

Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.

CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server
CVE-2026-29170

Apache HTTP Server: mod_proxy_ftp XSS

A cross-site scripting vulnerability exists in mod_proxy_ftp's HTML directory list generation in Apache HTTP Server 2.4.67 and earlier when listing FTP directory contents either via forward or reverse proxy configuration. Users are recommended to upgrade to version 2.4.68, which fixes this issue.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Apache Apache Software Foundation
Products
Http Server Apache Http Server
CVE-2026-34356

Apache HTTP Server: ProxyPassReverseCookieMap buffer overflow

Heap-based Buffer Overflow vulnerability in Apache HTTP Server with malicious backend servers and ProxyPassReverseCookie* 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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server
CVE-2026-29169

Apache HTTP Server: mod_dav_lock indirect lock crash

A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs. The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0. Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Apache Apache Software Foundation
Products
Http Server Apache Http Server
CVE-2026-33006

Apache HTTP Server: mod_auth_digest timing attack

A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server
CVE-2026-33857

Apache HTTP Server: Off-by-one OOB reads in AJP getter functions

Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Apache Http Server Http Server