CVE-2014-1491

CVE-2014-1491 describes an issue in the Mozilla NSS library where public DH values were not properly restricted, enabling remote attackers to bypass cryptographic protections in ticket handling when NSS was used (e.g., in Firefox/Thunderbird/SeaMonkey). The vulnerability affects NSS

CVE-2019-0211

CVE-2019-0211 affects Apache HTTP Server 2.4.17–2.4.38 when using MPM event, worker, or prefork. The issue arises from code executing in less-privileged child processes/threads (including in-process scripting interpreters) that could be exploited to run arbitrary code with the privileges of the p...

CVE-2020-11984

CVE-2020-11984 affects Apache HTTP Server mod_proxy_uwsgi. Based on the provided documents, it is a vulnerability in httpd’s uwsgi handling that can lead to information disclosure and potentially remote code execution. The vulnerability was reported for Apache HTTP Server versions around 2.4.32 t...

CVE-2022-22720

CVE-2022-22720 – Apache httpd HTTP Request Smuggling (details from connected docs) Affected software: Apache HTTP Server (httpd) versions 2.4.52 and earlier. Root cause / description: Inbound connections are not closed when errors occur while discarding the request body, which can expose the serv...

CVE-2020-11022

CVE-2020-11022 affects jQuery versions >=1.2 and =3.5.0 or apply vendor guidance where applicable.

CVE-2021-26691

CVE-2021-26691 affects Apache HTTP Server, where a crafted SessionHeader can cause a heap overflow in 2.4.0–2.4.46. Several connected advisories indicate that updates have been released (e.g., AlmaLinux/CentOS/Red Hat ecosystems) and that newer Apache HTTP Server versions (e.g., 2.4.51 in Check P...

CVE-2020-1927

CVE-2020-1927 affects Apache HTTP Server 2.4.0–2.4.41, where mod_rewrite redirects intended to be self-referential could be fooled by encoded newlines and redirect to an unexpected URL within the request. Multiple connected advisories confirm the issue and indicate that fixes were released in Apa...

CVE-2020-1934

CVE-2020-1934 affects Apache HTTP Server 2.4.0–2.4.41 via mod_proxy_ftp, which may use uninitialized memory when proxying to a malicious FTP backend. Public advisories confirm the fixes in Apache HTTP Server 2.4.43+ (e.g., ALAS-2020-1370/ALAS2-2020-1427), so upgrading to 2.4.43 or newer is the re...

CVE-2021-40438

CVE-2021-40438 is an SSRF flaw in Apache HTTP Server 2.4.x through older revisions where a crafted request URI path can cause mod_proxy to forward the request to an origin server chosen by the remote user. The issue affects Apache httpd 2.4.48 and earlier; the CVSSv3.1 base score is 9.0 (CRITICAL...

CVE-2019-10082

CVE-2019-10082 affects Apache HTTP Server 2.4.18–2.4.39, where fuzzed network input could cause read-after-free in http/2 session shutdown. Impact: remote, unauthenticated triggering memory faults in httpd workers, enabling potential DoS and other consequences. Connected sources indicate remediat...

CVE-2015-9251

CVE-2015-9251 affects jQuery before 3.0.0, enabling XSS when a cross-domain Ajax request omits the dataType option and text/javascript responses are executed. Connected advisories confirm the issue and indicate an upgrade resolves it; remediation is to upgrade jQuery to a fixed version as provide...

CVE-2019-10092

The CVE-2019-10092 entry concerns Apache HTTP Server 2.4.0–2.4.39 with a limited cross-site scripting in the mod_proxy error page. The vulnerability lets an attacker craft a link on the error page that could mislead users by pointing to a page of the attacker’s choosing, but exploitation requires...

CVE-2019-0217

This CVE affects Apache HTTP Server 2.4.x up to 2.4.38, where a race condition in mod_auth_digest could allow an authenticated user to act as another user and bypass access control. The issue is tied to running in threaded MPMs; the underlying cause is a race condition in authentication handling....

CVE-2018-17199

In Apache HTTP Server 2.4.x up to 2.4.37, the vulnerability CVE-2018-17199 is caused by mod_session_cookie: the session expiry time is checked before decoding the session, so expiry is ignored for mod_session_cookie sessions. This means session expiry may not be enforced for affected sessions. Th...

CVE-2019-11358

CVE-2019-11358 is a prototype pollution vulnerability in jQuery (before 3.4.0) where mishandling of extend(true, {}, ...) can extend Object.prototype if an unsanitized source object has an enumerable proto property. The Core issue is triggered when a polluted prototype is introduced via nested ob...

CVE-2020-9490

CVE-2020-9490 affects Apache HTTP Server versions 2.4.20–2.4.43. A specially crafted value for the Cache-Digest header in an HTTP/2 request could cause a crash when the server subsequently attempts to HTTP/2 PUSH a resource. Mitigation for unpatched servers is to disable HTTP/2 PUSH via H2Push of...

CVE-2020-11993

CVE-2020-11993 affects Apache HTTP Server 2.4.20–2.4.43: when trace/debug is enabled for the HTTP/2 module and certain traffic patterns, logging can be performed on the wrong connection, leading to concurrent use of memory pools. Mitigation in public advisories: set LogLevel for mod_http2 above i...

CVE-2020-35452

The CVE-2020-35452 entry concerns Apache HTTP Server 2.4.0–2.4.46, where a specially crafted Digest nonce can trigger a stack overflow in mod_auth_digest. The description notes there was no reported exploit against Apache at the time, though certain compiler/compile options might enable it with l...

CVE-2022-22721

CVE-2022-22721 concerns the Apache HTTP Server. On 32-bit systems, if LimitXMLRequestBody is set to allow request bodies larger than 350 MB (default 1 MB), an integer overflow can occur, leading to out-of-bounds writes. Affected product: Apache HTTP Server 2.4.52 and earlier. Impact per sources: ...

CVE-2019-0197

The CVE-2019-0197 entry concerns Apache HTTP Server 2.4.34–2.4.38. When HTTP/2 is enabled for an http: host or H2Upgrade is enabled for h2 on an https: host, an Upgrade request from http/1.1 to http/2 that is not the first request on a connection could cause misconfiguration and crash. Servers th...

CVE-2014-0226

Apache HTTP Server CVE-2014-0226 is a race-condition vulnerability in the mod_status component that can cause a heap-based buffer overflow, denial of service, and potentially credential disclosure or code execution. Affects httpd before 2.4.10; the issue arises from improper scoreboard handling i...

CVE-2014-8109

CVE-2014-8109 affects the Apache HTTP Server 2.3.x and 2.4.x up to 2.4.10, where mod_lua.c does not properly handle an httpd configuration using the same Lua authorization provider with different arguments across contexts. This can allow remote attackers to bypass access restrictions via multiple...

CVE-2021-26690

CVE-2021-26690 affects Apache HTTP Server 2.4.0–2.4.46 due to a NULL pointer dereference in mod_session when parsing a crafted Cookie header, leading to Denial of Service. Public advisories and vendor pages confirm a patch exists in newer httpd releases (e.g., 2.4.46+/2.4.51 in various distributi...

CVE-2021-3177

CVE-2021-3177: A buffer overflow in PyCArg_repr of Python’s ctypes (_ctypes/callproc.c) may allow remote code execution when untrusted floating-point input is passed (e.g., 1e300 to c_double.from_param) due to unsafe use of sprintf. Affected: Python 3.x up to 3.9.1. Remediation exists in multiple...

CVE-2021-23841

CVE-2021-23841 is described in connected advisories as a NULL pointer dereference in OpenSSL’s X509_issuer_and_serial_hash() when parsing the issuer field. This can crash a process if certificates from untrusted sources are processed and the issuer parsing fails, enabling a potential denial of se...

CVE-2019-17567

CVE-2019-17567 affects Apache HTTP Server 2.4.x where mod_proxy_wstunnel on a URL not guaranteed to be upgraded by the origin server tunnels the entire connection, allowing subsequent requests on the same TCP connection to bypass HTTP validation, authentication, or authorization. Public reference...

CVE-2018-11763

CVE-2018-11763 affects Apache HTTP Server 2.4.17–2.4.34 and targets the HTTP/2 implementation. The issue arises when a client sends continuous, large SETTINGS frames, allowing a single connection to occupy a server thread and CPU time without triggering a connection timeout. Impact is limited to ...

CVE-2016-5387

CVE-2016-5387 affects Apache httpd prior to 2.4.25, where RFC 3875 compliance allows untrusted HTTP_PROXY data to influence outbound proxy selection via a crafted Proxy header (the httpoxy issue). Public docs indicate the issue arises from the HTTP_PROXY environment variable being exposed to appl...

CVE-2019-10097

CVE-2019-10097 affects Apache HTTP Server 2.4.32–2.4.39 when mod_remoteip is configured to use a trusted intermediary proxy server via the PROXY protocol. A specially crafted PROXY header can trigger a stack buffer overflow or NULL pointer dereference, potentially crashing the server or impacting...

CVE-2022-1292

CVE-2022-1292 describes a command-injection risk in the OpenSSL c_rehash script due to improper sanitization of shell metacharacters. The issue can allow local attackers to run arbitrary commands with the script’s privileges on systems where c_rehash runs automatically. Fixes are published in Ope...

CVE-2020-13950

CVE-2020-13950 affects Apache HTTP Server (httpd) mod_proxy_http, with versions 2.4.41–2.4.46 vulnerable to a NULL pointer dereference triggered by specially crafted requests using both Content-Length and Transfer-Encoding headers, causing Denial of Service. Connected documents confirm impact as ...

CVE-2021-30641

CVE-2021-30641 affects Apache HTTP Server 2.4.39–2.4.46 with unexpected matching behavior when MergeSlashes OFF. Connected sources indicate patched versions: Debian fixes in 2.4.38-based packages, AlmaLinux/RedHat advisories reference a fix in Apache 2.4.51 for supported Check Point versions, and...

CVE-2020-1971

CVE-2020-1971 is described across multiple connected sources as a NULL-dereference in OpenSSL’s GENERAL_NAME_cmp when EDIPARTYNAME is present, potentially enabling a denial-of-service crash. Affected OpenSSL versions include all 1.1.1 and 1.0.2 lines; fixes are published in OpenSSL 1.1.1i and Ope...

CVE-2021-45105

Summary of CVE-2021-45105 (Log4j2) : Affected Log4j 2.x versions 2.0-alpha1 through 2.16.0 (except 2.12.3 and 2.3.1) are vulnerable to denial of service via uncontrolled recursion triggered by self-referential lookups in Thread Context Map data. The root cause is improper handling of self-referen...

CVE-2018-17189

CVE-2018-17189 : In Apache HTTP Server 2.4.37 and earlier, mod_http2 can cause a DoS by handling slowloris-style request bodies, unnecessarily occupying a server thread for the h2 stream on HTTP/2 connections. Affected product: Apache HTTP Server with mod_http2. Impact: denial of service via thre...

CVE-2020-14422

CVE-2020-14422 affects the Python ipaddress module (IPv4Interface/IPv6Interface) where improper hash computation can cause a DoS by creating many dictionary entries due to performance of dictionaries containing those objects. The issue is documented for Lib/ipaddress.py up to Python 3.8.3, with f...

CVE-2021-33503

CVE-2021-33503 affects urllib3 prior to 1.26.5, where the authority component regex can catastrophically backtrack on URLs containing many @ characters, leading to denial of service via parameters or redirects. Several connected sources note a patched version is available (e.g., python-urllib3 up...

CVE-2019-1559

OpenSSL vulnerability CVE-2019-1559 describes a padding-oracle weakness where, if an application encounters a fatal protocol error and then calls SSL_shutdown() twice (to send close_notify and to receive one), the server may respond differently to a 0-byte record with invalid padding versus inval...

CVE-2013-5704

CVE-2013-5704 concerns the Apache HTTP Server mod_headers trailer-header bypass vulnerability. The issue arises when a client places headers in the trailer portion of a chunked request, potentially bypassing RequestHeader unset directives and allowing header manipulation after header processing. ...

CVE-2021-23336

CVE-2021-23336 affects Python CPython across multiple branches (0 and before 3.6.13; 3.7.0 before 3.7.10; 3.8.0 before 3.8.8; 3.9.0 before 3.9.2). The vulnerability is Web Cache Poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs using parameter cloaking with semicolons, causing the pr...

CVE-2020-1967

CVE-2020-1967 describes a NULL pointer dereference in OpenSSL’s SSL_check_chain() during or after a TLS 1.3 handshake, caused by incorrect handling of the signature_algorithms_cert extension. A malicious peer sending an invalid/unrecognized signature algorithm can crash the server/client, enablin...

CVE-2021-23840

CVE-2021-23840 describes an integer-length overflow in EVP_CipherUpdate, EVP_EncryptUpdate, and EVP_DecryptUpdate that can cause a negative output length value when input length is near the platform’s integer limit. This can lead to application crashes or incorrect behavior. Affected OpenSSL rele...

CVE-2021-31618

CVE-2021-31618 affects the Apache httpd mod_http2 component. The issue is a NULL pointer dereference in the HTTP/2 header handling when size limits are violated, leading to denial of service by crashing the httpd worker process. Affected releases include mod_http2 1.15.17 and Apache httpd 2.4.47 ...

CVE-2019-5482

CVE-2019-5482 is a heap buffer overflow in curl/libcurl’s TFTP handler (tftp_receive_packet) affecting curl versions up to 7.65.3. Public advisories detail that a small TFTP blocksize can trigger overflow, potentially enabling DoS or arbitrary code execution. Public fixes exist across distributio...

CVE-2018-5407

CVE-2018-5407 is a PortSmash timing-side channel vulnerability in SMT/Hyper-Threading affecting OpenSSL. Local attackers could exploit a timing leakage during cryptographic operations to gain information. Documented in multiple advisories (e.g., ALAS/ALAS2 for OpenSSL) with remediation stating to...

CVE-2020-7595

CVE-2020-7595 affects libxml2, specifically the xmlStringLenDecodeEntities function in parser.c of version 2.9.10, which can enter an infinite loop in certain end-of-file situations. Several connected advisories (e.g., ASA-202011-15) corroborate the issue and describe the impact as potential deni...

CVE-2021-3537

Summary: CVE-2021-3537 affects libxml2 up to 2.9.11. In XML mixed content parsing, errors were not propagated, causing a NULL dereference when an untrusted document is parsed in recovery mode and post-validated, with availability as the highest impact. The connected documents confirm the vulnerab...

CVE-2020-15358

CVE-2020-15358 (SQLite) affects the SQLite library, specifically the query engine path in select.c where the query-flattener optimization mishandles constant propagation for multiSelectOrderBy. The root cause is a mishandling of transitive properties during constant propagation, leading to a heap...

CVE-2019-13990

CVE-2019-13990 affects Terracotta Quartz Scheduler within Atlassian Jira Service Management Data Center/Server and related Oracle Fusion Middleware deployments, via XXE in the Terracotta Quartz Scheduler component when parsing a job description. The root cause is an XML External Entity condition ...

CVE-2019-20388

CVE-2019-20388 affects libxml2 2.9.10. The Broadcom advisory BSNSA36819 confirms a memory leak in xmlSchemaValidateStream (xmlschemas.c) that can impact availability (memory exhaustion) when processing XML schemas. Affected component: libxml2’s xmlSchemaValidateStream; root cause relates to a lea...