CVE-2019-15903
High
CVE-2019-15903
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.
Exploit probability
6.6%
Published
September 4, 2019
Required by
Not available
Last source change
August 7, 2026
02 / AFFECTED SOFTWARE
Affected packages
221 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2019-15903
View original source
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.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
- http://packetstormsecurity.com/files/154503/Slackware-Security-Advisory-expat-Updates.html
- http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html
- http://packetstormsecurity.com/files/154947/Slackware-Security-Advisory-mozilla-firefox-Updates.html
- http://seclists.org/fulldisclosure/2019/Dec/23
- http://seclists.org/fulldisclosure/2019/Dec/26
- http://seclists.org/fulldisclosure/2019/Dec/27
- http://seclists.org/fulldisclosure/2019/Dec/30
- https://access.redhat.com/errata/RHSA-2019:3210
- https://access.redhat.com/errata/RHSA-2019:3237
- https://access.redhat.com/errata/RHSA-2019:3756
- https://github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43
- https://github.com/libexpat/libexpat/issues/317
- https://github.com/libexpat/libexpat/issues/342
- https://github.com/libexpat/libexpat/pull/318
- https://lists.debian.org/debian-lts-announce/2019/11/msg00006.html
- https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A4TZKPJFTURRLXIGLB34WVKQ5HGY6JJA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDUTI5TVQWIGGQXPEVI4T2ENHFSBMIBP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S26LGXXQ7YF2BP3RGOWELBFKM6BHF6UG/
- https://seclists.org/bugtraq/2019/Dec/17
- https://seclists.org/bugtraq/2019/Dec/21
- https://seclists.org/bugtraq/2019/Dec/23
- https://seclists.org/bugtraq/2019/Nov/1
- https://seclists.org/bugtraq/2019/Nov/24
- https://seclists.org/bugtraq/2019/Oct/29
- https://seclists.org/bugtraq/2019/Sep/30
- https://seclists.org/bugtraq/2019/Sep/37
- https://security.gentoo.org/glsa/201911-08
- https://security.netapp.com/advisory/ntap-20190926-0004/
- https://support.apple.com/kb/HT210785
- https://support.apple.com/kb/HT210788
- https://support.apple.com/kb/HT210789
- https://support.apple.com/kb/HT210790
- https://support.apple.com/kb/HT210793
- https://support.apple.com/kb/HT210794
- https://support.apple.com/kb/HT210795
- https://usn.ubuntu.com/4132-1/
- https://usn.ubuntu.com/4132-2/
- https://usn.ubuntu.com/4165-1/
- https://usn.ubuntu.com/4202-1/
- https://usn.ubuntu.com/4335-1/
- https://www.debian.org/security/2019/dsa-4530
- https://www.debian.org/security/2019/dsa-4549
- https://www.debian.org/security/2019/dsa-4571
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.tenable.com/security/tns-2021-11