GoogleOSV:CVE-2019-15903CVE-2019-15903
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
8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
76.1%
In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.
References
lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.html
lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00000.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00002.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00003.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00013.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00016.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00017.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00018.html
lists.opensuse.org/opensuse-security-announce/2019-11/msg00019.html
lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.html
lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
packetstormsecurity.com/files/154503/Slackware-Security-Advisory-expat-Updates.html
packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html
packetstormsecurity.com/files/154947/Slackware-Security-Advisory-mozilla-firefox-Updates.html
seclists.org/fulldisclosure/2019/Dec/23
seclists.org/fulldisclosure/2019/Dec/26
seclists.org/fulldisclosure/2019/Dec/27
seclists.org/fulldisclosure/2019/Dec/30
access.redhat.com/errata/RHSA-2019:3210
access.redhat.com/errata/RHSA-2019:3237
access.redhat.com/errata/RHSA-2019:3756
github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43
github.com/libexpat/libexpat/issues/317
github.com/libexpat/libexpat/issues/342
github.com/libexpat/libexpat/pull/318
lists.debian.org/debian-lts-announce/2019/11/msg00006.html
lists.debian.org/debian-lts-announce/2019/11/msg00017.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A4TZKPJFTURRLXIGLB34WVKQ5HGY6JJA/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDUTI5TVQWIGGQXPEVI4T2ENHFSBMIBP/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S26LGXXQ7YF2BP3RGOWELBFKM6BHF6UG/
seclists.org/bugtraq/2019/Dec/17
seclists.org/bugtraq/2019/Dec/21
seclists.org/bugtraq/2019/Dec/23
seclists.org/bugtraq/2019/Nov/1
seclists.org/bugtraq/2019/Nov/24
seclists.org/bugtraq/2019/Oct/29
seclists.org/bugtraq/2019/Sep/30
seclists.org/bugtraq/2019/Sep/37
security.gentoo.org/glsa/201911-08
security.netapp.com/advisory/ntap-20190926-0004/
support.apple.com/kb/HT210785
support.apple.com/kb/HT210788
support.apple.com/kb/HT210789
support.apple.com/kb/HT210790
support.apple.com/kb/HT210793
support.apple.com/kb/HT210794
support.apple.com/kb/HT210795
usn.ubuntu.com/4132-1/
usn.ubuntu.com/4132-2/
usn.ubuntu.com/4165-1/
usn.ubuntu.com/4202-1/
usn.ubuntu.com/4335-1/
www.debian.org/security/2019/dsa-4530
www.debian.org/security/2019/dsa-4549
www.debian.org/security/2019/dsa-4571
www.oracle.com/security-alerts/cpuapr2020.html
www.oracle.com/security-alerts/cpuoct2020.html
www.tenable.com/security/tns-2021-11
Related
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
8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.005 Low
EPSS
Percentile
76.1%