Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2017-16931
n/a n/a — parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference func…
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.8 .0458 91.5 —
AFFECTED
Product Versions Fixed
n/a n/a – —
TIMELINE
Nov 23 Reserved by mitre
Nov 23 Published (CNA: mitre)
Oct 14 ENRICHED — CVE-2017-16931. Received CVSS 9.8 and CPE data from NVD.
Description
parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| November 23, 2017 | Reserved | Reserved by mitre |
| November 23, 2017 | Published | Published (CNA: mitre) |
| October 14, 2026 | ENRICHED | ENRICHED — CVE-2017-16931. Received CVSS 9.8 and CPE data from NVD. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| n/a | n/a | — | n/a | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2017-16931 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
