Description
Multiple integer overflows in the XML_GetBuffer function in Expat through 2.1.0, as used in Google Chrome before 44.0.2403.89 and other products, allow remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted XML data, a related issue to CVE-2015-2716.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | expat | 2.1.0-7 | — |
| Debian 13 | expat | 2.1.0-7 | — |
| Debian 12 | expat | 2.1.0-7 | — |
| Debian 12 | libxmltok | No fix yet | — |
| Debian 8 | chromium-browser | 44.0.2403.89-1~deb8u1 | DSA-3315-1 |
| Debian 8 | expat | 2.1.0-6+deb8u1 | DSA-3318-1 |
| Debian 7 | expat | 2.1.0-1+deb7u2 | DSA-3318-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | expat | 2.0.1-7+squeeze2 | DLA-281-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | coin3 +5 | No fix yet | — |
| Ubuntu 26.04 LTS | coin3 +4 | No fix yet | — |
| Ubuntu 25.10 | coin3 +5 | No fix yet | — |
| Ubuntu 24.04 LTS | coin3 +2 | No fix yet | — |
| Ubuntu 22.04 LTS | coin3 +2 | No fix yet | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | coin3 +2 | No fix yet | — |
| Ubuntu 18.04 LTS | vnc4 +2 | No fix yet | — |
| Ubuntu 16.04 LTS | cadaver +1 | No fix yet | — |
| Ubuntu 14.04 LTS | chromium-browser | 44.0.2403.89-0ubuntu0.14.04.1.1095 | — |
| Ubuntu 14.04 LTS | expat | 2.1.0-4ubuntu1.1 | USN-2726-1 |
| Ubuntu 14.04 LTS | oxide-qt | 1.8.4-0ubuntu0.14.04.2 | USN-2677-1 |
| Ubuntu Pro 26.04 LTS | swish-e | No fix yet | — |
| Ubuntu Pro 24.04 LTS | libxmltok | 1.2-4.1ubuntu2.24.0.4.1+esm2 | USN-7199-1 |
| Ubuntu Pro 24.04 LTS | swish-e +1 | No fix yet | — |
| Ubuntu Pro 22.04 LTS | libxmltok | 1.2-4ubuntu0.22.04.1~esm4 | USN-7199-1, USN-5455-1 |
| Ubuntu Pro 22.04 LTS | swish-e +1 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | libxmltok | 1.2-4ubuntu0.20.04.1~esm4 | USN-7199-1, USN-5455-1 |
| Ubuntu Pro 20.04 LTS | swish-e +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | coin3 +2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | libxmltok | 1.2-4ubuntu0.18.04.1~esm4 | USN-7199-1, USN-5455-1 |
| Ubuntu Pro 16.04 LTS | ayttm +5 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | libxmltok | 1.2-3ubuntu0.16.04.1~esm2 | USN-5455-1 |
| Ubuntu Pro 16.04 LTS | vnc4 | 4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1 | USN-4772-1 |
| Ubuntu Pro 14.04 LTS | coin3 +1 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | vnc4 | 4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1 | USN-4772-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | chromium-browser | 44.0.2403.89-1.el6 | RHSA-2015:1499 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | expat | 2.1.0-17.1 | SUSE-SU-2016:1508-1 |
| SLES 12 | expat | 2.1.0-17.1 | SUSE-SU-2016:1508-1 |
| SLES 11 SP4 | expat | 2.0.1-88.38.1 | SUSE-SU-2016:1512-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Studio Onsite 1.3 | expat | 2.0.1-88.38.1 | SUSE-SU-2016:1512-1 |
| SLES for SAP 12 SP1 | expat | 2.1.0-17.1 | SUSE-SU-2016:1508-1 |
| SLES for SAP 12 | expat | 2.1.0-17.1 | SUSE-SU-2016:1508-1 |
| SLES for SAP 11 SP4 | expat | 2.0.1-88.38.1 | SUSE-SU-2016:1512-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 55.0.2883.75-3.1 | openSUSE-SU-2024:12948-1, openSUSE-SU-2024:10171-1 |
| openSUSE Tumbleweed | expat | 2.2.0-3.1 | openSUSE-SU-2024:10077-1 |
Advisories 15
- USN-4772-1 vnc4 vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2015:1499 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-5455-1 libxmltok vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-7199-1 libxmltok vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-2677-1 oxide-qt vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-2726-1 expat vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-281-1 expat - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3318-1 expat - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3315-1 chromium-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10171-1 chromedriver-55.0.2883.75-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1512-1 Security update for expat SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1508-1 Security update for expat SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10077-1 expat-2.2.0-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0046 expat: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Jan 12, 2025
References
- https://www.tenable.com/security/tns-2016-20
- RHSA-2015:1499 vendor-advisory
- https://code.google.com/p/chromium/issues/detail?id=492052
- openSUSE-SU-2016:1523 vendor-advisory
- openSUSE-SU-2015:1287 vendor-advisory
- 1033031 vdb-entry
- DSA-3318 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- SUSE-SU-2016:1508 vendor-advisory
- GLSA-201701-21 vendor-advisory
- https://source.android.com/security/bulletin/2016-11-01.html
- GLSA-201603-09 vendor-advisory
- SUSE-SU-2016:1512 vendor-advisory
- https://codereview.chromium.org/1224303003
- 75973 vdb-entry
- http://googlechromereleases.blogspot.com/2015/07/stable-channel-update_21.html
- USN-2726-1 vendor-advisory
- openSUSE-SU-2016:1441 vendor-advisory
- DSA-3315 vendor-advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10365