CVE-2026-9080 - Vulnerability Details - OpenCVE

Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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References

Link	Providers
https://curl.se/docs/CVE-2026-9080.html
https://curl.se/docs/CVE-2026-9080.json
https://hackerone.com/reports/3749204

History

Fri, 03 Jul 2026 06:45:00 +0000

Type	Values Removed	Values Added
Description		Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed.
Title		UAF after pause in socket callback
References		https://curl.se/docs/CVE-2026-9080.html https://curl.se/docs/CVE-2026-9080.json https://hackerone.com/reports/3749204

MITRE

Status: PUBLISHED

Assigner: curl

Published: 2026-07-03T06:17:34.905Z

Updated: 2026-07-03T06:17:34.905Z

Reserved: 2026-05-20T12:59:50.588Z

Link: CVE-2026-9080

Vulnrichment

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NVD

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Redhat

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OpenCVE Enrichment

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