Vulnerability DatabaseCVE-2026-9080
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CVE-2026-9080
Published:June 24, 2026
Updated:June 24, 2026
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.
Affected Packages
https://github.com/curl/curl.git (GITHUB):
Affected version(s) >=curl-8_13_0 <curl-8_21_0
Fix Suggestion:
Update to version curl-8_21_0
Related Resources (1)
https://curl.se/docs/CVE-2026-9080.html
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW