Riskcovery

CVE-2026-9080

UAF after pause in socket callback

State
Published
Severity
7.3 High
Published
Jul 3, 2026
Updated
Sep 15, 2026
Reserved
May 20, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LCISA-ADP

Weaknesses

Affected Products

ProductVersions
curlcurl
  • 8.13.0 to before 8.14.2Affected
  • 8.15.0 to before 8.16.1Affected
  • 8.17.0 to before 8.20.1Affected
curlcurl
  • cfc657a48dbafb4194676d4c9d841388b3a22210 to before 5ab34cba42e4ee4282fe8bab43f311d51b9bf9bdAffected
curlcurl
  • 8.20.0Affected
  • 8.19.0Affected
  • 8.18.0Affected
  • 8.17.0Affected
  • 8.16.0Affected
  • 8.15.0Affected
  • 8.14.1Affected
  • 8.14.0Affected
  • 8.13.0Affected

References

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