CVE-2025-9817

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Source
https://cve.org/CVERecord?id=CVE-2025-9817
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-9817.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-9817
Downstream
Related
Published
2025-09-03T07:38:58.940Z
Modified
2026-04-10T04:17:39.513465Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
NULL Pointer Dereference in Wireshark
Details

SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9817.json",
    "cwe_ids": [
        "CWE-476"
    ],
    "cna_assigner": "GitLab"
}
References

Affected packages

Git / github.com/wireshark/wireshark

Affected ranges

Type
GIT
Repo
https://github.com/wireshark/wireshark
Events
Introduced
009a163470b581c7d3ee66d89c819cef1f9e50fe
Last affected
0d289c003bfb3e40b0480860b27e35a5b4e1b279
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
1c86fec5803374ecf08084c0c3f637e11c70291c
Database specific 
{
    "versions": [
        {
            "introduced": "4.4.0"
        },
        {
            "last_affected": "4.4.8"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.4.9-rc0"
        }
    ]
}

Affected versions

v4.*
v4.4.0
v4.4.1
v4.4.1rc0
v4.4.2
v4.4.2rc0
v4.4.3
v4.4.3rc0
v4.4.4
v4.4.4rc0
v4.4.5
v4.4.5rc0
v4.4.6
v4.4.6rc0
v4.4.7
v4.4.7rc0
v4.4.8
v4.4.8rc0
v4.4.9rc0
v4.6.7rc0
wireshark-4.*
wireshark-4.4.0
wireshark-4.4.1
wireshark-4.4.2
wireshark-4.4.3
wireshark-4.4.4
wireshark-4.4.5
wireshark-4.4.6
wireshark-4.4.7
wireshark-4.4.8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-9817.json"

Git / gitlab.com/wireshark/wireshark

Affected ranges

Type
GIT
Repo
https://gitlab.com/wireshark/wireshark
Events
Introduced
009a163470b581c7d3ee66d89c819cef1f9e50fe
Fixed
57bf672140761a871aaad0f709fb7f7c32fd186b
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "4.4.0"
        },
        {
            "fixed": "4.4.9"
        }
    ]
}

Affected versions

v4.*
v4.4.0
v4.4.1
v4.4.1rc0
v4.4.2
v4.4.2rc0
v4.4.3
v4.4.3rc0
v4.4.4
v4.4.4rc0
v4.4.5
v4.4.5rc0
v4.4.6
v4.4.6rc0
v4.4.7
v4.4.7rc0
v4.4.8
v4.4.8rc0
v4.4.9rc0
wireshark-4.*
wireshark-4.4.0
wireshark-4.4.1
wireshark-4.4.2
wireshark-4.4.3
wireshark-4.4.4
wireshark-4.4.5
wireshark-4.4.6
wireshark-4.4.7
wireshark-4.4.8

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-9817.json"