CVE-2021-22945

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Source
https://cve.org/CVERecord?id=CVE-2021-22945
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-22945.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-22945
Aliases
Downstream
Related
Published
2021-09-23T13:15:08.690Z
Modified
2026-05-28T04:04:12.776690795Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again.

Database specific 
{
    "unresolved_ranges": [
        {
            "vendor_product": "apple:macos",
            "extracted_events": [
                {
                    "introduced": "12.0.0"
                },
                {
                    "fixed": "12.3"
                }
            ],
            "cpes": [
                "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_RANGE"
        },
        {
            "vendor_product": "siemens:sinec_ins",
            "extracted_events": [
                {
                    "fixed": "1.0.1.1"
                }
            ],
            "cpes": [
                "cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_RANGE"
        },
        {
            "vendor_product": "splunk:universal_forwarder",
            "extracted_events": [
                {
                    "introduced": "8.2.0"
                },
                {
                    "fixed": "8.2.12"
                },
                {
                    "introduced": "9.0.0"
                },
                {
                    "fixed": "9.0.6"
                }
            ],
            "cpes": [
                "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*"
            ],
            "source": "CPE_RANGE"
        },
        {
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "last_affected": "11.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "last_affected": "33"
                },
                {
                    "last_affected": "35"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "splunk:universal_forwarder",
            "extracted_events": [
                {
                    "last_affected": "9.1.0"
                }
            ],
            "cpes": [
                "cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/curl/curl

Affected ranges

Type
GIT
Repo
https://github.com/curl/curl
Events
Introduced
315ee3fe75dade912b48a21ceec9ccda0230d937
Last affected
bfbde883af33397943df68a3ae01847a634d33bf
Database specific 
{
    "extracted_events": [
        {
            "introduced": "7.73.0"
        },
        {
            "last_affected": "7.78.0"
        }
    ],
    "cpe": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

Other
curl-7_73_0
curl-7_74_0
curl-7_75_0
curl-7_76_0
curl-7_76_1
curl-7_77_0
curl-7_78_0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-22945.json"

Git / github.com/mysql/mysql-server

Affected ranges

Type
GIT
Repo
https://github.com/mysql/mysql-server
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
89713bf41c33528c3e7682d219dc838915f5af9a
Introduced
270fd3411e3d671a73ed9725940a30080f59ce6d
Last affected
beb865a960b9a8a16cf999c323e46c5b0c67f21f
Database specific 
{
    "extracted_events": [
        {
            "introduced": "5.7.0"
        },
        {
            "last_affected": "5.7.35"
        },
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.0.26"
        }
    ],
    "cpe": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE"
}

Affected versions

mysql-3.*
mysql-3.23.22-beta
mysql-3.23.28-gamma
mysql-3.23.30-gamma
mysql-3.23.31
mysql-3.23.32
mysql-3.23.33
mysql-3.23.36
mysql-4.*
mysql-4.0.2
mysql-4.0.4
mysql-5.*
mysql-5.1.4
mysql-5.7.31
mysql-5.7.32
mysql-5.7.35
mysql-8.*
mysql-8.0.26
mysql-cluster-8.*
mysql-cluster-8.0.26

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-22945.json"