9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.025 Low
EPSS
Percentile
89.9%
Expat is a C library for parsing XML documents.
Security Fix(es):
expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution (CVE-2022-25235)
expat: Namespace-separator characters in “xmlns[:prefix]” attribute values can lead to arbitrary code execution (CVE-2022-25236)
expat: Integer overflow in storeRawNames() (CVE-2022-25315)
expat: Large number of prefixed XML attributes on a single tag can crash libexpat (CVE-2021-45960)
expat: Integer overflow in doProlog in xmlparse.c (CVE-2021-46143)
expat: Integer overflow in addBinding in xmlparse.c (CVE-2022-22822)
expat: Integer overflow in build_model in xmlparse.c (CVE-2022-22823)
expat: Integer overflow in defineAttribute in xmlparse.c (CVE-2022-22824)
expat: Integer overflow in lookup in xmlparse.c (CVE-2022-22825)
expat: Integer overflow in nextScaffoldPart in xmlparse.c (CVE-2022-22826)
expat: Integer overflow in storeAtts in xmlparse.c (CVE-2022-22827)
expat: Integer overflow in function XML_GetBuffer (CVE-2022-23852)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
bugzilla.redhat.com/show_bug.cgi?id=2044451
bugzilla.redhat.com/show_bug.cgi?id=2044455
bugzilla.redhat.com/show_bug.cgi?id=2044457
bugzilla.redhat.com/show_bug.cgi?id=2044464
bugzilla.redhat.com/show_bug.cgi?id=2044467
bugzilla.redhat.com/show_bug.cgi?id=2044479
bugzilla.redhat.com/show_bug.cgi?id=2044484
bugzilla.redhat.com/show_bug.cgi?id=2044488
bugzilla.redhat.com/show_bug.cgi?id=2044613
bugzilla.redhat.com/show_bug.cgi?id=2056363
bugzilla.redhat.com/show_bug.cgi?id=2056366
bugzilla.redhat.com/show_bug.cgi?id=2056370
errata.rockylinux.org/RLSA-2022:0951
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
9 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:C/I:C/A:C
0.025 Low
EPSS
Percentile
89.9%