In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow.

Perl before 5.30.3 has an integer overflow related to mishandling of a "PLregkind[OP(n)] == NOTHING" situation. A crafted regular expression could lead to malformed bytecode with a possibility of instruction injection.

Perl. This issue was addressed with improved checks.

Vulnerability in the Oracle Configuration Manager product of Oracle Enterprise Manager (component: Discovery and collection script). The supported version that is affected is 12.1.2.0.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Configuration Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Configuration Manager accessible data as well as unauthorized update, insert or delete access to some of Oracle Configuration Manager accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).

Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate environment variables in envp.