7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
jbcs-httpd24 is vulnerable to denial of service (DoS) attacks. An attacker is able to perform a buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, resulting in a system hang.
seclists.org/fulldisclosure/2020/Dec/32
seclists.org/fulldisclosure/2020/Dec/32
seclists.org/fulldisclosure/2021/Feb/14
seclists.org/fulldisclosure/2021/Feb/14
access.redhat.com/errata/RHSA-2021:4613
access.redhat.com/security/updates/classification/#moderate
bugs.gentoo.org/717920
bugs.gentoo.org/717920
bugzilla.redhat.com/show_bug.cgi?id=1848444
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E
lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E
support.apple.com/kb/HT211931
support.apple.com/kb/HT211931
support.apple.com/kb/HT212147
support.apple.com/kb/HT212147
www.pcre.org/original/changelog.txt
www.pcre.org/original/changelog.txt
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P