Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.
CVE-2016-0718
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 95.9%
- KEV
- Not listed
Published
May 26, 2016
Last Modified
May 6, 2026
Advisory Details (3)
Auto-updated May 8, 2026Full Disclosure: CVE-2016-9892 - Remote Code Execution as Root via ESET Endpoint Antivirus 6
http://seclists.org/fulldisclosure/2017/Feb/68Vendor Advisories for CVE-2016-0718(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libxmltok1-dev (1.2-3ubuntu0.16.04.1~esm2) @ xenial | 2026-05-20 | ubuntu |
| ubuntu | libexpat1 (2.1.0-7ubuntu0.15.10.1) @ wily | 2026-05-20 | ubuntu |
| ubuntu | libxmltok1-dev (1.2-4ubuntu0.20.04.1~esm4) @ focal | 2026-05-20 | ubuntu |
| ubuntu | firefox-testsuite (48.0+build2-0ubuntu0.16.04.1) @ xenial | 2026-05-20 | ubuntu |
| ubuntu | libxmlrpc-core-c3 (1.16.33-3.1ubuntu5.2) @ precise | 2026-05-20 | ubuntu |
| redhat | httpd | 2018-08-16 | redhat |
| redhat | expat-0:2.1.0-10.el7_3 | 2016-11-28 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Additional Vendor Advisories
(6)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2016:2824MODERATE2016-05-17
RHSA-2016:2824 — Moderate
- UbuntuUSN-2983-1MEDIUM
Expat vulnerability
- UbuntuUSN-3013-1MEDIUM
XML-RPC for C and C++ vulnerabilities
- UbuntuUSN-3044-1MEDIUM
Firefox vulnerabilities
- UbuntuUSN-5455-1MEDIUM
xmltok library vulnerabilities
- UbuntuUSN-7199-1MEDIUM
xmltok library vulnerabilities
Data Freshness Timeline
(refreshed 9× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 102 total refreshes for this CVE.
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
- 2026-07-06 16:24 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:26 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
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- 2026-06-29 14:03 UTCEPSS rescore
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- 2026-06-28 14:04 UTCEPSS rescore
- 2026-06-28 04:53 UTCEPSS rescore
- 2026-06-27 03:05 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-20 00:19 UTCOSV refresh
- 2026-06-19 19:23 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-10 13:18 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 02:55 UTCOSV refresh
- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:40 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 10:39 UTCEG score recompute
- 2026-05-20 10:39 UTCVendor advisory
- 2026-05-20 10:39 UTCGHSA enrichment
- 2026-05-20 06:56 UTCEG score recompute
- 2026-05-20 06:56 UTCVendor advisory
- 2026-05-20 06:56 UTCGHSA enrichment
- 2026-05-20 03:13 UTCEG score recompute
- 2026-05-20 03:13 UTCVendor advisory
- 2026-05-20 03:13 UTCGHSA enrichment
- 2026-05-19 23:30 UTCEG score recompute
- 2026-05-19 23:30 UTCVendor advisory
- 2026-05-19 23:30 UTCGHSA enrichment
- 2026-05-19 19:47 UTCEG score recompute
- 2026-05-19 19:47 UTCVendor advisory
- 2026-05-19 19:47 UTCGHSA enrichment
- 2026-05-19 16:03 UTCEG score recompute
- 2026-05-19 16:03 UTCVendor advisory
- 2026-05-19 16:03 UTCGHSA enrichment
- 2026-05-19 12:11 UTCEG score recompute
- 2026-05-19 12:11 UTCVendor advisory
- 2026-05-19 12:11 UTCGHSA enrichment
- 2026-05-19 08:14 UTCEG score recompute
- 2026-05-19 08:14 UTCVendor advisory
- 2026-05-19 08:14 UTCGHSA enrichment
- 2026-05-19 04:26 UTCEG score recompute
- 2026-05-19 04:26 UTCVendor advisory
- 2026-05-19 04:26 UTCGHSA enrichment
- 2026-05-19 00:42 UTCEG score recompute
- 2026-05-19 00:42 UTCVendor advisory
- 2026-05-19 00:42 UTCGHSA enrichment
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Frequently asked(5)
What is CVE-2016-0718?
When was CVE-2016-0718 disclosed?
Is CVE-2016-0718 actively exploited?
What is the CVSS score of CVE-2016-0718?
How do I remediate CVE-2016-0718?
Dependency Blast Radius
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