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-2019-5435

CVE-2019-5435LOW

curl curl — An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   N  U  N  N  L    3.7   .0566   92.9     —

AFFECTED
  Product  Versions           Fixed
  curl     Fixed in 7.65.0 –  —

TIMELINE
  Jan 4   Reserved by hackerone
  May 28  Published (CNA: hackerone)
  Oct 14  ENRICHED — CVE-2019-5435 (curl). Received CVSS 3.7 and CPE data from NVD.
  Oct 14  EXPLOIT PUBLISHED — CVE-2019-5435 (curl). Public exploit reference added.

CWE-190, CWE-131 · CNA: hackerone · CVSS v3.0 · 9 references · NVD status: Modified

Description

An integer overflow in curl's URL API results in a buffer overflow in libcurl 7.62.0 to and including 7.64.1.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
January 4, 2019	Reserved	Reserved by hackerone
May 28, 2019	Published	Published (CNA: hackerone)
October 14, 2026	ENRICHED	ENRICHED — CVE-2019-5435 (curl). Received CVSS 3.7 and CPE data from NVD.
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2019-5435 (curl). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
curl	curl	—	Fixed in 7.65.0	—

Weaknesses

CWE-190 · CWE-131

References (9)

Authoritative record: CVE-2019-5435 at cve.org

Vendors: curl

Weaknesses: CWE-190 · CWE-131

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-5435 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.