CVE-2021-21704: falha de média gravidade em PHP
Multiple vulnerabilities in Firebird client extension
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5epss 1.8%
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Produtos afetados
PHP Group · PHPCVEs relacionadas — PHP
No mesmo produto, das mais perigosas para as menos.
CVE-2026-109619CRITICALRCE via stale global stateEPSS 100.0%KEVCVE-2026-109618CRITICALRCE via OOM corruptionEPSS 100.0%KEVCVE-2024-4577CRITICALArgument Injection in PHP-CGIEPSS 100.0%KEVCVE-2022-31626HIGHmysqlnd/pdo password buffer overflowEPSS 58.1%CVE-2022-31629MEDIUM$_COOKIE names string replacement (. -> _): cookie integrity vulnerabilitiesEPSS 49.6%CVE-2024-2756MEDIUM__Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fixEPSS 38.1%