CVE-2026-9080

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Source
https://cve.org/CVERecord?id=CVE-2026-9080
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9080.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-9080
Aliases
Downstream
ALPINE (1)
BELL (1)
CGA (20)
DEBIAN (1)
JLSEC (1)
MINI (2)
openSUSE (2)
RHSA (2)
ROOT (5)
SUSE (7)
UBUNTU (1)
Related
openSUSE (2)
SUSE (7)
Published
2026-07-03T06:17:34Z
Modified
2026-09-17T03:30:23Z
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",
    "cwe_ids":  [
        "CWE-416"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9080.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "8.13.0"
                },
                {
                    "fixed":  "8.14.2"
                },
                {
                    "introduced":  "8.15.0"
                },
                {
                    "fixed":  "8.16.1"
                },
                {
                    "introduced":  "8.17.0"
                },
                {
                    "fixed":  "8.20.1"
                },
                {
                    "introduced":  "cfc657a48dbafb4194676d4c9d841388b3a22210"
                },
                {
                    "fixed":  "5ab34cba42e4ee4282fe8bab43f311d51b9bf9bd"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/curl/curl

Affected ranges

Type
GIT
Repo
https://github.com/curl/curl
Events
Introduced
a05f34973e6c4bb629d018f7cb51487be1c904d8
Fixed
68720b4837284335b2d63cb358f8f6ce65f5bc55
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
    "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"
        },
        {
            "fixed":  "8.21.0"
        }
    ],
    "source":  [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

8.*
8.13.0
8.14.0
8.14.1
8.15.0
8.16.0
8.17.0
8.18.0
8.19.0
8.20.0
Other
curl-8_20_0
rc-8_21_0-1
rc-8_21_0-2
rc-8_21_0-3

Database specific

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