CVE-2019-15903

Public Exploit

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.37%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/4132-1/ third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Sep/30 third party advisory mailing list
https://usn.ubuntu.com/4132-2/ third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDUTI5TVQWIGGQXPEVI4T2ENHFSBMIBP/ vendor advisory
https://www.debian.org/security/2019/dsa-4530 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Sep/37 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A4TZKPJFTURRLXIGLB34WVKQ5HGY6JJA/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.html mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S26LGXXQ7YF2BP3RGOWELBFKM6BHF6UG/ vendor advisory
https://seclists.org/bugtraq/2019/Oct/29 third party advisory mailing list
https://usn.ubuntu.com/4165-1/ third party advisory vendor advisory
https://www.debian.org/security/2019/dsa-4549 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3210 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3237 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Nov/1 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00000.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00002.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00003.html mailing list third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2019:3756 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00013.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00016.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00018.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00017.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00019.html mailing list third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00006.html third party advisory mailing list
https://seclists.org/bugtraq/2019/Nov/24 third party advisory mailing list
https://www.debian.org/security/2019/dsa-4571 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html third party advisory mailing list
https://security.gentoo.org/glsa/201911-08 third party advisory vendor advisory
https://usn.ubuntu.com/4202-1/ third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Dec/17 third party advisory mailing list
https://seclists.org/bugtraq/2019/Dec/21 third party advisory mailing list
https://seclists.org/bugtraq/2019/Dec/23 third party advisory mailing list
http://seclists.org/fulldisclosure/2019/Dec/23 third party advisory mailing list
http://seclists.org/fulldisclosure/2019/Dec/26 third party advisory mailing list
http://seclists.org/fulldisclosure/2019/Dec/30 third party advisory mailing list
http://seclists.org/fulldisclosure/2019/Dec/27 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html mailing list third party advisory vendor advisory
https://usn.ubuntu.com/4335-1/ third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpuapr2020.html third party advisory
https://www.oracle.com/security-alerts/cpuoct2020.html third party advisory
https://github.com/libexpat/libexpat/issues/317 issue tracking exploit third party advisory
https://github.com/libexpat/libexpat/pull/318 issue tracking third party advisory patch
https://github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43 third party advisory patch
https://github.com/libexpat/libexpat/issues/342 third party advisory
http://packetstormsecurity.com/files/154503/Slackware-Security-Advisory-expat-Updates.html vdb entry third party advisory
https://security.netapp.com/advisory/ntap-20190926-0004/ third party advisory
http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html vdb entry third party advisory
http://packetstormsecurity.com/files/154947/Slackware-Security-Advisory-mozilla-firefox-Updates.html vdb entry third party advisory
https://support.apple.com/kb/HT210788 third party advisory
https://support.apple.com/kb/HT210790 third party advisory
https://support.apple.com/kb/HT210785 third party advisory
https://support.apple.com/kb/HT210789 third party advisory
https://support.apple.com/kb/HT210793 third party advisory
https://support.apple.com/kb/HT210795 third party advisory
https://support.apple.com/kb/HT210794 third party advisory
https://www.tenable.com/security/tns-2021-11 third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-15903?
CVE-2019-15903 has been scored as a high severity vulnerability.
How to fix CVE-2019-15903?
To fix CVE-2019-15903, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-15903 being actively exploited in the wild?
It is possible that CVE-2019-15903 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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