HSTS cache import drops longer-lived child (curl curl)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.00 % · percentile 63 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- curl
- NVD status
- Awaiting Analysis
Description
Importing a `includeSubDomains` parent HSTS entry before a longer-lived child entry, silently drops the child. Consequently, when the parent expires, the child's valid HSTS policy is lost, causing curl to issue unencrypted HTTP requests rather than upgrading to HTTPS.
Weaknesses (CWE)
- CWE-201 — Insertion of Sensitive Information Into Sent Data
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-105309
- GCVE · GCVE-0-2026-87862
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1376 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1307 — Multiples vulnérabilités dans Curl · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| curl · curl | affected 8.22.0 ≤ 8.22.0 ; affected 8.21.0 ≤ 8.21.0 ; affected 8.20.0 ≤ 8.20.0 ; affected 8.19.0 ≤ 8.19.0 ; affected 8.18.0 ≤ 8.18.0 ; affected 8.17.0 ≤ 8.17.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |