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-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-2020-1971

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-2024-21057

CVE-2024-21057 affects Oracle MySQL Server (Server: Optimizer). Affected: MySQL 8.0.35 and earlier. Attack vector: network access via multiple protocols; attacker must have high privileges. Impact: can cause a hang or frequent, repeatable crash (DoS) on the MySQL Server. No exploitation details a...

CVE-2021-3449

CVE-2021-3449 affects OpenSSL 1.1.1.x where a TLSv1.2 server may crash (DoS) if it receives a renegotiation ClientHello that omits the signature_algorithms extension but includes signature_algorithms_cert. The issue is a NULL pointer dereference leading to a denial of service; OpenSSL clients are...

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-2021-3711

CVE-2021-3711 involves a bug in OpenSSL SM2 decryption: the buffer-size calculation during EVP_PKEY_decrypt() first call can under-allocate, enabling a later second call with a too-small buffer and causing a buffer overflow (up to 62 bytes). The issue affects OpenSSL 1.1.1 up to 1.1.1k and is fix...

CVE-2021-3712

The CVE-2021-3712 issue affects OpenSSL where ASN1_STRING data may not be NUL-terminated if constructed directly (or via ASN1_STRING_set0), causing read-buffer overreads when many OpenSSL print/name-constraining paths handle such ASN.1 strings. Exploitation could crash the application (DoS) or di...

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-2020-28196

CVE-2020-28196 affects MIT Kerberos 5 (krb5) prior to 1.17.2 and 1.18.x prior to 1.18.3. The vulnerability stems from unbounded recursion in the ASN.1 BER decoder (lib/krb5/asn.1/asn1_encode.c) due to no recursion limit for indefinite lengths. This can lead to denial of service due to resource ex...

CVE-2021-3450

CVE-2021-3450 affects OpenSSL 1.1.1h–1.1.1j where a bug in the X509_V_FLAG_X509_STRICT path overwrote a prior CA-check result, bypassing the non-CA certificates prohibition unless a programmed purpose is used. When a purpose is configured, the certificate chain is still rejected; the issue is fix...

CVE-2019-5436

CVE-2019-5436 affects curl/libcurl with a heap buffer overflow in the TFTP receiving code (tftp_receive_packet). Exploitation can lead to DoS or arbitrary code execution. Upstream fix released in curl 7.65.0; advisories from CentOS, Arch Linux, Debian, and others document the vulnerability and re...

CVE-2021-22947

CVE-2021-22947 affects curl when connecting to IMAP/POP3 servers using STARTTLS: multiple responses are cached before TLS, and after upgrading to TLS curl may trust pre‑TLS data, enabling a MITM injection of data. Affected releases range from curl 7.20.0 up to 7.78.0; exploitation details are not...

CVE-2019-5481

CVE-2019-5481 is a double-free vulnerability in curl’s FTP-Kerberos code, affecting curl 7.52.0 through 7.65.3. Exploitation involves a malicious FTP server sending a very large data block, which can cause memory corruption leading to a crash or denial of service (DoS). Multiple connected advisor...

CVE-2025-53045

CVE-2025-53045 is part of a cluster of Oracle MySQL (MySQL Server) vulnerabilities affecting InnoDB, Server: Optimizer, DML, and related components. Affected are MySQL versions 8.0.0–8.0.43, 8.4.0–8.4.6, and 9.0.0–9.4.0. The vulnerability can be exploited by a highly privileged attacker who has n...

CVE-2025-53069

CVE-2025-53069 affects Oracle MySQL Server (Server: Components Services) with affected versions 8.0.0–8.0.43, 8.4.0–8.4.6, and 9.0.0–9.4.0. The vulnerability allows a high-privileged, network-accessing attacker to cause a hang or repeatable crashes (DoS); root cause described as Allocation of Res...

CVE-2025-53053

CVE-2025-53053 affects Oracle MySQL Server (Server: DML) and related 8.x/9.x branches. Affected versions include 8.0.0–8.0.43, 8.4.0–8.4.6, and 9.0.0–9.4.0. An attacker with high privileges and network access via multiple protocols can exploit this to cause a hang or a repeatable crash (DoS) and ...

CVE-2025-53062

CVE-2025-53062 affects Oracle MySQL Server (InnoDB) with affected versions 8.0.0–8.0.43, 8.4.0–8.4.6 and 9.0.0–9.4.0. IBM/CBLMariner data indicate an upgrade to 8.0.44-2 or later resolves the issue; the vulnerability can allow a high-privilege, network-access attacker to cause a hang or crash (Do...

CVE-2025-53054

CVE-2025-53054 affects Oracle MySQL Server (InnoDB). Affected versions include 8.0.0–8.0.43, 8.4.0–8.4.6, and 9.0.0–9.4.0. The vulnerability enables a high-privilege attacker with network access via multiple protocols to cause a hang or crash (DOS) and may allow unauthorized data updates/deletes ...

CVE-2025-53040

CVE-2025-53040 is a vulnerability in Oracle MySQL’s Server: Optimizer. It affects MySQL Server components on versions 8.0.0–8.0.43, 8.4.0–8.4.6, and 9.0.0–9.4.0. The issue allows a high-privilege attacker with network access via multiple protocols to cause a hang or a frequently repeatable crash ...

CVE-2021-22924

CVE-2021-22924 — libcurl connection reuse flaw : The issue arises when libcurl reuses connections from its pool without correctly accounting for the issuer certificate and with path comparisons that are case-insensitive. This can cause a transfer to use the wrong, previously opened connection. Pu...

CVE-2023-21872

CVE-2023-21872 affects Oracle MySQL Server, specifically the Server: Optimizer component. Affected are 8.0.29 and earlier. The vulnerability can be exploited by a high-privilege attacker with network access via multiple protocols to cause a hang or repeatable crash (DoS) and may allow unauthorize...

CVE-2021-22925

CVE-2021-22925 affects curl/libcurl’s TELNET OPTION handling (-t / CURLOPT_TELNETOPTIONS). A flaw in the option parser for NEW_ENV variables can cause uninitialized data from a stack buffer to be sent to the server, due to incorrect sscanf usage when parsing the provided string. This could reveal...

CVE-2021-21344

Summary: CVE-2021-21344 affects the XStream Java XML serialization library. In versions before 1.4.16, a remote attacker can load and execute arbitrary code by manipulating the processed input stream. The risk is mitigated if the security framework whitelist is properly configured; otherwise the ...

CVE-2019-3822

CVE-2019-3822 affects libcurl 7.36.0 through before 7.64.0. The vulnerability is a stack-based buffer overflow in the NTLM header creation path: Curl_auth_create_ntlm_type3_message() uses unsigned arithmetic to guard a local buffer, but the check is insufficient, allowing the output data to excee...

CVE-2021-21351

CVE-2021-21351 is an XStream deserialization vulnerability. Connected IBM advisories confirm the issue affects IBM Data Risk Manager (IDRM) and IBM Engineering/Test Management products via bundled XStream versions, with exploitation through unmarshalling to achieve arbitrary code execution. Remed...

CVE-2021-2389

CVE-2021-2389 affects Oracle MySQL Server (InnoDB) with vulnerable versions 5.7.34 and earlier and 8.0.25 and earlier. An unauthenticated attacker can exploit over network via multiple protocols to cause a hang or a frequent crash (complete DoS) of MySQL Server. Connected documents corroborate th...

CVE-2023-21866

CVE-2023-21866 affects Oracle MySQL Server (Server: Optimizer). Affected product/version: MySQL Server 8.0.28 and earlier. Root cause indicated by sources: vulnerability in the Optimizer component allowing a high-privileged attacker with network access via multiple protocols to cause a hang or fr...

CVE-2025-21490

CVE-2025-21490 affects Oracle MySQL Server (InnoDB) with vulnerable versions including MySQL 8.0.40 and earlier, 8.4.3 and earlier, and 9.1.0 and earlier. Attacker with network access via multiple protocols and high privileges can cause a hang or complete DoS on MySQL Server. Connected advisories...

CVE-2021-22946

CVE-2021-22946 affects curl before 7.82.0 (and within 7.20.0–7.78.0 per description) where the --ssl-reqd option or CURLUSESSL controls could be bypassed if a server crafts a legitimate response, allowing curl to continue without TLS. Connected sources confirm this flaw exists across multiple eco...

CVE-2021-22898

CVE-2021-22898 affects curl before the patch levels that fix TELNET option handling. Specifically, curl 7.7–7.76.1 could disclose information when using the -t option (CURLOPT_TELNETOPTIONS) to send NEW_ENV variables due to a flaw in the option parser that passes uninitialized data from a stack b...

CVE-2021-2372

CVE-2021-2372 affects Oracle MySQL Server (InnoDB) with vulnerable versions 5.7.34 and earlier and 8.0.25 and earlier. The flaw allows a high-privilege attacker with network access to cause a hang or frequent crash (DoS) of MySQL Server; CVSS 3.1 base score 4.4 (Availability). Connected documents...

CVE-2021-21348

XStream (Java) before version 1.4.16 is vulnerable to a denial of service where a remote attacker can cause a thread to consume maximum CPU time and not return. Public documents consistently describe the issue as affecting XStream’s XML deserialization, with mitigation requiring upgrading to at l...

CVE-2022-21824

CVE-2022-21824 is a prototype pollution vulnerability in Node.js linked to console.table properties. It affects Node.js prior to patched releases and can be triggered when user-controlled data is passed as the first parameter with a plain object containing an own property such as proto . Public a...

CVE-2021-36222

CVE-2021-36222 affects MIT Kerberos 5 (krb5) KDC: the ec_verify path in kdc/kdc_preauth_ec.c can trigger a NULL pointer dereference and daemon crash. The issue occurs in KDC processing for PA-ENCRYPTED-CHALLENGE data when not correctly handling a return value in certain situations, leading to a d...

CVE-2021-35604

CVE-2021-35604 affects Oracle MySQL Server (InnoDB). Affected versions: MySQL 5.7.35 and earlier, and 8.0.26 and earlier. The vulnerability enables a high-privilege attacker with network access (via multiple protocols) to cause a hang or a repeatable crash (DoS) and may allow unauthorized updates...

CVE-2024-21015

CVE-2024-21015 affects Oracle MySQL Server (component: Server: DML). Influence: vulnerable on MySQL Server versions 8.0.34 and prior and 8.3.0 and prior; exploit can cause hang or crash (DoS) and unauthorized update/insert/delete to some data. Affected by network-accessible vectors; base score 5....

CVE-2023-21940

CVE-2023-21940 is a MySQL Server vulnerability affecting the 8.0.32 and earlier series in the Server: Components Services area. The issue allows a high-privilege attacker with network access to cause a hang or a crash (DoS) via multiple protocols. Supported versions affected are 8.0.32 and prior....

CVE-2024-20960

CVE-2024-20960 affects Oracle MySQL Server, component Server: RAPID. Affected versions are 8.0.35 and earlier, and 8.2.0 and earlier. An attacker with network access and low privileges, able to reach via multiple protocols, can cause the MySQL Server to hang or crash (complete DoS). CVSS 3.1 base...

CVE-2022-21455

CVE-2022-21455 affects Oracle MySQL Server PAM Auth Plugin in MySQL 8.0.28 and earlier. The vulnerability enables a high-privilege attacker with network access (via multiple protocols) to compromise MySQL Server, potentially allowing unauthorized creation, deletion, or modification of critical da...

CVE-2025-21521

CVE-2025-21521 concerns Oracle MySQL Server (Server: Thread Pooling). Affected: MySQL Server versions 8.0.39 and earlier, 8.4.2 and earlier, and 9.0.1 and earlier. The vulnerability can be exploited by an unauthenticated attacker who can access the server over multiple network protocols, potentia...

CVE-2021-22945

Summary: CVE-2021-22945 affects libcurl/curl when sending data to an MQTT server, where in some cases a pointer to freed memory could be reused and freed again. This is a memory-use-after-free/double-free issue in libcurl. What is affected: libcurl/curl (MQTT data transmission scenarios) with vul...

CVE-2021-22922

CVE-2021-22922 affects curl’s Metalink download flow: when multiple URLs are provided, a content hash mismatch on a breached server is not discarded during download, allowing potentially malicious data to be kept on disk. Public advisories and vendor bulletins confirm patches in patched curl rele...

CVE-2021-22923

CVE-2021-22923 affects curl's metalink feature: when downloading a metalink XML with user credentials, those credentials are subsequently passed to each server curls contacts, potentially leaking credentials to multiple endpoints. Technical details across sources confirm this credential exposure ...

CVE-2024-21054

CVE-2024-21054 affects Oracle MySQL Server, specifically the Server: Optimizer component. Affected versions are 8.0.36 and prior and 8.3.0 and prior. The vulnerability is exploitable over the network by a high-privilege attacker and can cause a hang or crash (complete DOS) of MySQL Server, with C...

CVE-2024-20994

CVE-2024-20994 affects Oracle MySQL Server, component Server: Information Schema. Affected versions are 8.0.36 and prior, and 8.3.0 and prior. The vulnerability allows a low-privilege, network-accessing attacker to cause a hang or complete DoS of MySQL Server. No exploitation details are provided...

CVE-2023-21966

CVE-2023-21966 affects Oracle MySQL Server (component: Server: JSON) with affected versions 8.0.32 and earlier. A high-privilege attacker who can reach the server over the network via multiple protocols can cause a hang or frequent, repeatable crashes (complete DoS) in MySQL Server. CVSS v3.1 bas...

CVE-2024-21013

CVE-2024-21013 affects Oracle MySQL Server (Server: Optimizer). Affected versions: 8.0.36 and prior, 8.3.0 and prior. Attack requires network access with high privileges; successful exploitation can cause a hang or crash (complete DoS) of MySQL Server. CVSS v3.1 base score 4.4 (Availability). No ...

CVE-2023-21962

CVE-2023-21962 affects Oracle MySQL Server (Server: Components Services). Affected: MySQL 8.0.32 and earlier. Attackers with network access via multiple protocols can exploit this to cause a hang or frequent crash (DOS). CVSS v3.1 base score 4.9 (Availability). The provided documents identify the...

CVE-2023-21945

CVE-2023-21945 affects the Oracle MySQL Server (component: Server: Optimizer). Affected: 8.0.32 and earlier. The issue enables a high-privilege attacker with network access to cause a hang or frequent crash (DoS) of MySQL Server. Impact documented as Availability loss (CVSS v3.1 base 4.9). Exploi...