CVE-2025-65502

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2025-65502
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65502.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-65502
Downstream
Published
2025-11-24T00:00:00Z
Modified
2026-08-12T15:14:38.403651Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

Null pointer dereference in addcacerts() in Cesanta Mongoose before 7.2 allows remote attackers to cause a denial of service via TLS initialization where SSLCTXgetcertstore() returns NULL.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65502.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/cesanta/mongoose

Affected ranges

Type
GIT
Repo
https://github.com/cesanta/mongoose
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
452bcc68a4c5fecce2ca6ad5c9b60beca9b0214f
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*",
    "source": [
        "DESCRIPTION",
        "CPE_RANGE"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "7.2"
        }
    ]
}

Affected versions

3.*
3.2
3.3
3.4
3.5
3.6
3.7
3.8
4.*
4.0
4.1
5.*
5.0
5.1
5.2
5.3
5.4
5.5
5.5_20140120
5.6
6.*
6.0
6.1
6.10
6.11
6.12
6.13
6.14
6.15
6.16
6.17
6.18
6.2
6.3
6.4
6.5
6.6
6.7
6.9
7.*
7.0
7.1

Database specific

vanir_signatures 
[
    {
        "id": "CVE-2025-65502-cffe2bf2",
        "target": {
            "file": "mongoose.h"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "81101173494962791664314093816730485003",
                "17561331730311471187096575611295949743",
                "168208850472217345959817839290500139439",
                "61425641275395339594192646831569603171"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/cesanta/mongoose/commit/452bcc68a4c5fecce2ca6ad5c9b60beca9b0214f",
        "signature_type": "Line"
    },
    {
        "id": "CVE-2025-65502-d3cb1e44",
        "target": {
            "file": "src/mqtt.h"
        },
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "81101173494962791664314093816730485003",
                "17561331730311471187096575611295949743",
                "168208850472217345959817839290500139439",
                "61425641275395339594192646831569603171"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/cesanta/mongoose/commit/452bcc68a4c5fecce2ca6ad5c9b60beca9b0214f",
        "signature_type": "Line"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65502.json"
vanir_signatures_modified 
"2026-08-12T15:14:38Z"