Vendor
Apache Software Foundation
3,000 known vulnerabilities.
Products
3,000 results · Feed
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High 8.7
Apache Thrift, Apache Thrift: TProtocolUtil.skip follows peer-chosen nesting to any depth the stack allows (Dart, Java ME)
Uncontrolled Recursion vulnerability in Apache Thrift Dart and Java ME bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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High 8.7
Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: Framed transport and binary protocol size read buffers from a peer-declared length without a limit (multi-language)
Improper handling of length parameter inconsistency, Uncaught exception, Inefficient Algorithmic Complexity, Memory allocation with excessive size value, Initialization of a resource with an insecure default vulnerability in Apache Thrift Python, Ruby, Erlang…
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Critical 9.2
Apache Thrift: C++ `THeaderTransport::transform()` heap buffer overflow (write direction)
Heap-based buffer overflow vulnerability in Apache Thrift C++ THeaderTransport. When an application enables the ZLIB transform for the frames it sends, THeaderTransport::transform() copies the compressed frame into the write buffer without making sure it fits…
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High 8.7
Apache Thrift: PHP `thrift_protocol` accelerator: zero-byte container elements
Improper validation of specified quantity in input, Allocation of resources without limits or throttling, Excessive Iteration vulnerability in Apache Thrift PHP bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to ver…
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High 8.7
Apache Thrift: C++ `THeaderTransport::writeVarint32()` stack buffer overflow on a negative protocol id
Stack-based buffer overflow, Incorrect bitwise shift of integer vulnerability in Apache Thrift C++ THeaderProtocol. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.
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High 8.7
Apache Thrift: C++ `THeaderTransport::untransform()` leaks the zlib stream on the error path
Missing release of memory after effective lifetime, Missing release of resource after effective lifetime vulnerability in Apache Thrift THeaderTransport. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, whic…
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High 8.7
Apache Thrift: Dart `TBinaryProtocol.readMessageBegin` allocates from the pre-versioned name length
Memory allocation with excessive size value, Improper handling of length parameter inconsistency vulnerability in Apache Thrift Dart bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the…
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High 8.2
Apache Thrift: Python `TJSONProtocol` has a string length limit that is off by default
Allocation of resources without limits or throttling, Initialization of a resource with an insecure default vulnerability in Apache Thrift Python bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, wh…
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High 7.5
Apache Directory LDAP API: Denial of service via crafted telephone number values
Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API. A LDAP server using the LDAP API (like Apache DS) may consume 100% of a CPU core indefinitely when processing some badly crafted Telephone Numbers. This issue affects Apache Directory…
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Critical 9.8
Apache Directory LDAP API: Unsafe loading of Java code from LDAP schema elements
Deserialization of Untrusted Data vulnerability in Apache Directory LDAP API. A rogue/compromised LDAP server (or pre-TLS MITM) can answer a client's loadSchema() subschema search with a schema object that contains a serialized Java class, allowing some poten…
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High 7.5
Apache Directory LDAP API: Denial of service via excessive bcrypt cost factor in stored passwords
Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API. Storing a password using the bcrypt algorithm with a high force like 30 in a LDAP server that supports this algorithm will cause the server CPU to run for hours checking the credenti…
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High 7.5
Apache Directory LDAP API: Injection of plaintext responses during StartTLS
Cleartext transmission of sensitive information vulnerability in Apache Directory LDAP API. A StartTLS extended operation started after a Search request has been sent can lead to receive data in plain text before the TLS Handshake has been completed. This iss…
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High 7.3
Apache Directory LDAP API: A unbound client can send a deeply nested search filter that overflows the stack in the server's decoder
Stack Overflow vulnerability in Apache Directory LDAP API. Before binding, a client can send a deeply nested search filter that overflows the stack in the server's decoder. This issue affects Apache Directory LDAP API: from 1.2.0 before 1.2.9. Users are recom…
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High 8.2
Apache Thrift: Java `TSaslNonblockingServer`: residual of CVE-2026-61373 (thread-death black hole + no cross-connection budget)
improper handling of exceptional conditions, Allocation of resources without limits or throttling, Uncaught exception vulnerability in Apache Thrift Java bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.…
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High 7.5
Apache Directory LDAP API: Denial of service via excessive memory allocation in BER decode
Memory allocation with excessive size value vulnerability in Apache Directory LDAP API. A malicious peer (or a MITM) can send a small BER-encoded response causing a large memory allocation before any data is received. This can lead to an OutOfMemoryError and …
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High 8.7
Apache Thrift: Lua `TBinaryProtocol:readMessageBegin` bypasses `checkStringSize` on the pre-versioned name
Allocation of resources without limits or throttling, Improper handling of length parameter inconsistency vulnerability in Apache Thrift Lua bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which f…
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High 7.5CVE-2026-63686 Public exploit
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…
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High 8.8
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.
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Medium 5.3
Apache HTTP Server: mod_userdir information disclosure
Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when configured with absolute non-wildcard UserDir directive (the 2nd form in https://httpd.apache.org/docs/2.4/mod/mod_userdir.html#userdir) This issue af…
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High 7.3
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 AuthDigestNcC…
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High 8.1
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 trigge…
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High 7.5
Apache HTTP Server: mod_proxy_uwsgi Transfer-Encoding response smuggling
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30…
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High 7.5CVE-2026-63292 Public exploit
Apache HTTP Server: mod_vhost_alias stack overflow
Stack-based buffer overflow in mod_vhost_alias in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows a remote client to cause a denial of service or potentially execute arbitrary code via an HTTP request with a Host header ex…
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High 7.5
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…
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Critical 9.8
Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function
Improper Privilege Management vulnerability in Apache HTTP Server's mod_ssl via SSLRequire and file-related expressions. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
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High 7.5
Apache HTTP Server: Out-of-Bounds Write in ap_directory_walk() Canonical-Name Rewrite on CASE_BLIND_FILESYSTEM
Out-of-bounds Write vulnerability in Apache HTTP Server on Windows while processing paths with 8.3 names that may grow when expanded. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
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Medium 5.3
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 .DA…
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Critical 9.8
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.
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High 7.5
Apache HTTP Server: mod_proxy_html: crash in dump_content
Out-of-bounds Write vulnerability in Apache HTTP Server's mod_proxy_html with crafted HTTP response bodies. This issue affects Apache HTTP Server version 2.4.68.
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Critical 9.8
Apache HTTP Server: mod_rewrite use-after-free via %{LA-U:HTTP:...}
Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
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High 7.5
Apache HTTP Server: mod_charset_lite: Heap overflow in finish_partial_char
Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
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High 7.5
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 w…
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High 7.5
Apache HTTP Server: mod_session: Session cookie not removed during internal redirect
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache HTTP Server's mod_session_cookie module. When SessionCookieRemove changes across internal redirects, the session cookie may still be passed to a backend server. This issue af…
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High 7.5
Apache HTTP Server: mod_heartmonitor denial of service
NULL Pointer Dereference vulnerability in Apache HTTP Servers mod_heartmonitor over unicast listener. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
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Low 3.7
Apache HTTP Server: limited RCE for some internal redirects to non-CGI files in CGI directories
Deployment of wrong handler vulnerability in Apache HTTP Server allows the target of some internal redirects from CGI programs to also be treated as CGI and executed. The target must already be in a directory enabled for CGI and have no other extension unders…
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Medium 4.3
Apache HTTP Server: mod_dav shared lock overflow
A memory calculation bug in mod_dav in Apache httpd 2.4.67 and earlier allows an attacker with permission to create WebDAV locks to crash server child processes. Users are recommended to upgrade to version 2.4.69, which fixes this issue
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Medium 5.1
Apache APISIX: Openid-connect introspection validation issue
Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a rout…
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Medium 6.3
Apache APISIX: Servlet-style normalization creates a route/upstream authorization mismatch
Use of Non-Canonical URL paths for authorization decisions vulnerability in Apache APISIX. In some configurations where a permissive route overlaps a protected one, a crafted encoded path can reach an upstream endpoint that the matched route's policies were n…
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High 8.2
Apache APISIX: Batch response aggregation can exhaust worker memory
Allocation of resources without limits or throttling vulnerability in batch-requests plugin in Apache APISIX. An unauthenticated caller can drive a gateway worker into OOM via a route where the batch-requests plugin is used and the batch endpoint is publicly …
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Low 2.1
Apache APISIX: session fixation issue in feishu-auth and dingtalk-auth plugin
Cross-Site request forgery (CSRF) vulnerability in feishu-auth and dingtalk-auth plugins in Apache APISIX. An attacker who can get a user to click a crafted link may cause that user's browser session on a protected route to be established under the attacker's…