Unrated severityNVD Advisory· Published Sep 4, 2019· Updated May 30, 2025
CVE-2019-15903
CVE-2019-15903
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
86- libexpat/libexpatdescription
- Range: <2.2.8
- osv-coords84 versionspkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/chromium&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/chromium&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/expat&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/expat&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr-branding-openSUSE&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/firefox-esr-branding-openSUSE&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox-branding-openSUSE&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/MozillaFirefox-branding-openSUSE&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python36&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python3-base&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/python3&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/re2&distro=openSUSE%20Leap%2015.0pkg:rpm/opensuse/re2&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2012%20SP3pkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2015pkg:rpm/suse/chromium&distro=SUSE%20Package%20Hub%2015%20SP1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/expat&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/expat&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/firefox-atk&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-cairo&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-gdk-pixbuf&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-glib2&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-harfbuzz&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-libffi&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/firefox-pango&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP1pkg:rpm/suse/python36-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/python36-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/python36&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/python36&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/re2&distro=SUSE%20Package%20Hub%2015pkg:rpm/suse/re2&distro=SUSE%20Package%20Hub%2015%20SP1
< 78.0.3904.70-lp151.2.39.1+ 83 more
- (no CPE)range: < 78.0.3904.70-lp151.2.39.1
- (no CPE)range: < 78.0.3904.70-lp151.2.39.1
- (no CPE)range: < 93.0.4577.82-1.1
- (no CPE)range: < 2.2.5-lp150.2.6.1
- (no CPE)range: < 2.2.5-lp151.3.6.1
- (no CPE)range: < 2.4.1-1.2
- (no CPE)range: < 68-lp150.3.3.1
- (no CPE)range: < 68-lp151.3.3.1
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 68-lp150.3.3.1
- (no CPE)range: < 68-lp151.3.3.1
- (no CPE)range: < 68.2.0-lp150.3.71.1
- (no CPE)range: < 68.2.0-lp151.2.18.2
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 68.2.1-lp150.3.54.1
- (no CPE)range: < 68.2.1-lp151.2.16.1
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 3.6.15-1.1
- (no CPE)range: < 3.6.10-lp151.6.7.1
- (no CPE)range: < 3.6.10-lp151.6.7.1
- (no CPE)range: < 20190901-lp151.10.3.1
- (no CPE)range: < 20190901-lp151.10.3.1
- (no CPE)range: < 78.0.3904.87-10.1
- (no CPE)range: < 78.0.3904.70-bp150.240.1
- (no CPE)range: < 78.0.3904.70-bp151.3.21.1
- (no CPE)range: < 2.1.0-21.9.1
- (no CPE)range: < 2.2.5-3.6.1
- (no CPE)range: < 2.2.5-3.6.1
- (no CPE)range: < 2.1.0-21.9.1
- (no CPE)range: < 2.1.0-21.9.1
- (no CPE)range: < 2.1.0-21.9.1
- (no CPE)range: < 2.7.1-1.1
- (no CPE)range: < 2.7.1-slfo.1.1_1.1
- (no CPE)range: < 2.26.1-2.8.4
- (no CPE)range: < 1.15.10-2.13.4
- (no CPE)range: < 2.36.11-2.8.4
- (no CPE)range: < 2.54.3-2.14.7
- (no CPE)range: < 3.10.9-2.15.3
- (no CPE)range: < 1.7.5-2.7.4
- (no CPE)range: < 3.2.1.git259-2.3.3
- (no CPE)range: < 5.3.1+r233831-14.1
- (no CPE)range: < 1.40.14-2.7.4
- (no CPE)range: < 68-21.9.8
- (no CPE)range: < 68-4.11.2
- (no CPE)range: < 68-4.11.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-3.59.1
- (no CPE)range: < 68.2.0-3.59.1
- (no CPE)range: < 68.2.0-78.51.4
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 4.21-29.6.1
- (no CPE)range: < 3.45-38.9.3
- (no CPE)range: < 68.2.1-3.58.1
- (no CPE)range: < 68.2.1-3.58.1
- (no CPE)range: < 3.6.10-4.3.5
- (no CPE)range: < 3.6.10-4.3.5
- (no CPE)range: < 3.6.10-4.3.5
- (no CPE)range: < 3.6.10-4.3.5
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 20190901-bp150.25.1
- (no CPE)range: < 20190901-bp151.6.3.1
Patches
Vulnerability mechanics
References
59- lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00000.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00002.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00003.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00013.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00016.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00017.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00018.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00019.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.htmlmitrevendor-advisoryx_refsource_SUSE
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlmitrevendor-advisoryx_refsource_SUSE
- access.redhat.com/errata/RHSA-2019:3210mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2019:3237mitrevendor-advisoryx_refsource_REDHAT
- access.redhat.com/errata/RHSA-2019:3756mitrevendor-advisoryx_refsource_REDHAT
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A4TZKPJFTURRLXIGLB34WVKQ5HGY6JJA/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BDUTI5TVQWIGGQXPEVI4T2ENHFSBMIBP/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S26LGXXQ7YF2BP3RGOWELBFKM6BHF6UG/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/201911-08mitrevendor-advisoryx_refsource_GENTOO
- usn.ubuntu.com/4132-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4132-2/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4165-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4202-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4335-1/mitrevendor-advisoryx_refsource_UBUNTU
- www.debian.org/security/2019/dsa-4530mitrevendor-advisoryx_refsource_DEBIAN
- www.debian.org/security/2019/dsa-4549mitrevendor-advisoryx_refsource_DEBIAN
- www.debian.org/security/2019/dsa-4571mitrevendor-advisoryx_refsource_DEBIAN
- packetstormsecurity.com/files/154503/Slackware-Security-Advisory-expat-Updates.htmlmitrex_refsource_MISC
- packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.htmlmitrex_refsource_MISC
- packetstormsecurity.com/files/154947/Slackware-Security-Advisory-mozilla-firefox-Updates.htmlmitrex_refsource_MISC
- seclists.org/fulldisclosure/2019/Dec/23mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2019/Dec/26mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2019/Dec/27mitremailing-listx_refsource_FULLDISC
- seclists.org/fulldisclosure/2019/Dec/30mitremailing-listx_refsource_FULLDISC
- github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43mitrex_refsource_MISC
- github.com/libexpat/libexpat/issues/317mitrex_refsource_MISC
- github.com/libexpat/libexpat/issues/342mitrex_refsource_CONFIRM
- github.com/libexpat/libexpat/pull/318mitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2019/11/msg00006.htmlmitremailing-listx_refsource_MLIST
- lists.debian.org/debian-lts-announce/2019/11/msg00017.htmlmitremailing-listx_refsource_MLIST
- seclists.org/bugtraq/2019/Dec/17mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Dec/21mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Dec/23mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Nov/1mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Nov/24mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Oct/29mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Sep/30mitremailing-listx_refsource_BUGTRAQ
- seclists.org/bugtraq/2019/Sep/37mitremailing-listx_refsource_BUGTRAQ
- security.netapp.com/advisory/ntap-20190926-0004/mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210785mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210788mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210789mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210790mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210793mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210794mitrex_refsource_CONFIRM
- support.apple.com/kb/HT210795mitrex_refsource_CONFIRM
- www.oracle.com/security-alerts/cpuapr2020.htmlmitrex_refsource_MISC
- www.oracle.com/security-alerts/cpuoct2020.htmlmitrex_refsource_MISC
- www.tenable.com/security/tns-2021-11mitrex_refsource_CONFIRM
News mentions
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