Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-8925

CVE-2026-8925CRITICAL

curl curl — SASL double-free

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .0108   63.9     —

AFFECTED
  Product  Versions                                    Fixed
  curl     8.15.0 –                                    —
  curl     ab650379a8c25ca952f651476d25b4cdd77bb3fc –  —
  curl     8.20.0 –                                    —

TIMELINE
  May 19  Reserved by curl
  Jul 3   EXPLOIT PUBLISHED — CVE-2026-8925 (curl). Public exploit reference added.
  Jul 3   Published (CNA: curl)
  Sep 15  EXPLOIT PUBLISHED — CVE-2026-8925 (curl). Public exploit reference added.

CWE-415 · CNA: curl · CVSS v3.1 · 3 references · NVD status: Modified

Description

The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing the pointer in between, making it `free()` the same pointer twice.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
May 19, 2026	Reserved	Reserved by curl
July 3, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-8925 (curl). Public exploit reference added.
July 3, 2026	Published	Published (CNA: curl)
September 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-8925 (curl). Public exploit reference added.

Affected

Affected products and packages — 3 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
curl	curl	—	8.15.0	—
curl	curl	—	ab650379a8c25ca952f651476d25b4cdd77bb3fc	—
curl	curl	—	8.20.0	—

Weaknesses

CWE-415

References (3)

https://curl.se/docs/CVE-2026-8925.html [Patch, Vendor Advisory]
https://curl.se/docs/CVE-2026-8925.json [Vendor Advisory]
https://hackerone.com/reports/3735193 [Exploit, Issue Tracking, Third Party Advisory]

Authoritative record: CVE-2026-8925 at cve.org

Vendors: curl

Weaknesses: CWE-415

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-8925 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 Sunday, October 4, 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.