CVE-2026-9080

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Source
https://cve.org/CVERecord?id=CVE-2026-9080
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-9080.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-9080
Aliases
Downstream
Related
Published
2026-07-03T06:17:34.905Z
Modified
2026-07-11T18:29:32.439534539Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
UAF after pause in socket callback
Details

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.

Database specific 
{
    "cna_assigner": "curl",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9080.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "8.20.0"
                },
                {
                    "last_affected": "8.20.0"
                },
                {
                    "introduced": "8.19.0"
                },
                {
                    "last_affected": "8.19.0"
                },
                {
                    "introduced": "8.18.0"
                },
                {
                    "last_affected": "8.18.0"
                },
                {
                    "introduced": "8.17.0"
                },
                {
                    "last_affected": "8.17.0"
                },
                {
                    "introduced": "8.16.0"
                },
                {
                    "last_affected": "8.16.0"
                },
                {
                    "introduced": "8.15.0"
                },
                {
                    "last_affected": "8.15.0"
                },
                {
                    "introduced": "8.14.1"
                },
                {
                    "last_affected": "8.14.1"
                },
                {
                    "introduced": "8.14.0"
                },
                {
                    "last_affected": "8.14.0"
                },
                {
                    "introduced": "8.13.0"
                },
                {
                    "last_affected": "8.13.0"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/curl/curl

Affected ranges

Type
GIT
Repo
https://github.com/curl/curl
Events
Introduced
1c3149881769e7bd79b072e48374e4c2b3678b2f
Fixed
68720b4837284335b2d63cb358f8f6ce65f5bc55
Database specific 
{
    "cpe": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "8.13.0"
        },
        {
            "fixed": "8.21.0"
        }
    ]
}

Affected versions

Other
curl-8_13_0
curl-8_14_0
curl-8_14_1
curl-8_15_0
curl-8_16_0
curl-8_17_0
curl-8_18_0
curl-8_19_0
curl-8_20_0
rc-8_20_0-1
rc-8_20_0-2
rc-8_20_0-3
rc-8_21_0-1
rc-8_21_0-2
rc-8_21_0-3

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-9080.json"