> CVE-2026-10536

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PUBLISHED
2026-07-03 07:16
MODIFIED
2026-07-03 07:16
EPSS (Prob. Exploit)
0.60%
Top 52.0%
DATA SOURCES:
NVD 🔗 2026-07-03 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-09-20 MSRC 🔗 2026-11-02

> DESCRIPTION

A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or `CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and finally terminates the handle with `curl_easy_cleanup()`. During this final cleanup phase, libcurl attempts to access and modify an internal structure that was already freed during the reset operation.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: curl security update
An update for curl is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVS...
Red Hat Security Advisory: Red Hat Cost Management On-Premise container image update
Updated container image for Red Hat Cost Management On-Premise is now available.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

HTTP/2 stream-dependency tree UAF

AFFECTED PACKAGES:
Unknown / Unknown
37 versions affected
ALIASES:
CURL-CVE-2026-10536

> HISTORIQUE DES MODIFICATIONS

Première apparition
03/07/2026 07:16
Source: NVD
Total des modifications: 0 Dernière mise à jour: 4 months ago

> REFERENCES

https://curl.se/docs/CVE-2026-10536.html
https://curl.se/docs/CVE-2026-10536.json
https://hackerone.com/reports/3751697
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