CVE-2019-15903

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Summary

CVECVE-2019-15903
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-09-04 06:15:10 UTC
Updated2026-10-14 07:16:47 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-125 | CWE-776 | n/a | CWE-125 CWE-125 Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Libexpat Project Libexpat All All All All
Application Python Python All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2019:2451-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] Fedora 31 Update: expat-2.2.8-1.fc31 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
About the security content of watchOS 6.1.1 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Debian -- Security Information -- DSA-4530-1 expat af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Bugtraq: APPLE-SA-2019-12-10-8 watchOS 6.1.1 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2019:2464-1: important: Recommended upda af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Bugtraq: [SECURITY] [DSA 4530-1] expat security update af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
[SECURITY] Fedora 30 Update: expat-2.2.8-1.fc30 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
About the security content of iCloud for Windows 7.16 (includes AAS 8.2) - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Bugtraq: [SECURITY] [DSA 4549-1] firefox-esr security update af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
USN-4165-1: Firefox vulnerabilities | Ubuntu security notices | Ubuntu af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Third Party Advisory
[security-announce] openSUSE-SU-2019:2205-1: moderate: Security update f af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
USN-4335-1: Thunderbird vulnerabilities | Ubuntu security notices af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Third Party Advisory
Slackware Security Advisory - mozilla-firefox Updates ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
About the security content of iTunes 12.10.3 for Windows - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
[CVE-2019-15903] Heap overflow in XML_GetCurrentLineNumber · Issue #317 · libexpat/libexpat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Issue Tracking, Third Party Advisory
[security-announce] openSUSE-SU-2020:0010-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2019:2425-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
USN-4132-1: Expat vulnerability | Ubuntu security notices | Ubuntu af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Third Party Advisory
Slackware Security Advisory - expat Updates ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
[security-announce] openSUSE-SU-2020:0086-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-4571-1 thunderbird af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Expat: Multiple vulnerabilities (GLSA 201911-08) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
USN-4202-1: Thunderbird vulnerabilities | Ubuntu security notices | Ubuntu af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Third Party Advisory
Full Disclosure: APPLE-SA-2019-12-10-5 tvOS 13.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Oracle Critical Patch Update Advisory - October 2020 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
Oracle Critical Patch Update Advisory - April 2020 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Bugtraq: [slackware-security] expat (SSA:2019-259-01) af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
[CVE-2019-15903] Deny internal entities closing the doctype (for #317) by hartwork · Pull Request #318 · libexpat/libexpat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
About the security content of tvOS 13.3 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
[security-announce] openSUSE-SU-2019:2424-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Slackware Security Advisory - python Updates ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
Bugtraq: APPLE-SA-2019-12-10-5 tvOS 13.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
xmlparse.c: Deny internal entities closing the doctype · libexpat/libexpat@c20b758 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
Full Disclosure: APPLE-SA-2019-12-10-8 watchOS 6.1.1 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2019:2447-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Bugtraq: [SECURITY] [DSA 4571-1] thunderbird security update af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Full Disclosure: APPLE-SA-2019-12-10-1 iOS 13.3 and iPadOS 13.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Release Expat 2.2.8 · Issue #342 · libexpat/libexpat · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
USN-4132-2: Expat vulnerability | Ubuntu security notices | Ubuntu af854a3a-2127-422b-91ae-364da2661108 usn.ubuntu.com Third Party Advisory
[security-announce] openSUSE-SU-2019:2420-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[SECURITY] [DLA 1987-1] firefox-esr security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2019:2204-1: moderate: Security update f af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Bugtraq: [slackware-security] python (SSA:2019-293-01) af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
About the security content of iCloud for Windows 10.9 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
CVE-2019-15903 Expat Vulnerability in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
Bugtraq: APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2019:2452-1: important: Recommended upda af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
About the security content of macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
About the security content of iOS 13.3 and iPadOS 13.3 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
[R1] Nessus 8.15.0 Fixes Multiple Vulnerabilities - Security Advisory | Tenable® af854a3a-2127-422b-91ae-364da2661108 www.tenable.com Third Party Advisory
[SECURITY] Fedora 29 Update: expat-2.2.8-1.fc29 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[security-announce] openSUSE-SU-2019:2459-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-4549-1 firefox-esr af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
Full Disclosure: APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
[SECURITY] [DLA 1997-1] thunderbird security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
[SECURITY] Fedora 31 Update: expat-2.2.8-1.fc31 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 29 Update: expat-2.2.8-1.fc29 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 30 Update: expat-2.2.8-1.fc30 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 296078 Oracle Solaris 11.4 Support Repository Update (SRU) 16.4.0 Missing (CPUOCT2019)
  • 296079 Oracle Solaris 11.4 Support Repository Update (SRU) 15.5.0 Missing (CPUOCT2019)
  • 375654 Tenable Nessus Multiple Vulnerabilities (TNS-2021-11)
  • 376403 F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Expat Vulnerability (K05295469)
  • 377390 Alibaba Cloud Linux Security Update for expat (ALINUX3-SA-2022:0042)
  • 377519 Alibaba Cloud Linux Security Update for expat (ALINUX2-SA-2020:0139)
  • 500181 Alpine Linux Security Update for expat
  • 500587 Alpine Linux Security Update for python2
  • 500923 Alpine Linux Security Update for firefox-esr
  • 500944 Alpine Linux Security Update for firefox
  • 503829 Alpine Linux Security Update for firefox
  • 503913 Alpine Linux Security Update for expat
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 710115 Gentoo Linux Expat Multiple vulnerabilities (GLSA 201911-08)
  • 730076 IBM MQ Appliance Denial of Service Vulnerability (6403285)
  • 770068 Red Hat OpenShift Container Platform 4.6 Security Update (RHSA-2021:0436)
  • 900404 Common Base Linux Mariner (CBL-Mariner) Security Update for expat (6265)
  • 940069 AlmaLinux Security Update for expat (ALSA-2020:4484)
  • 960835 Rocky Linux Security Update for expat (RLSA-2020:4484)

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