CVE-2026-9759

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Source
https://cve.org/CVERecord?id=CVE-2026-9759
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9759.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-9759
Downstream
Published
2026-05-27T18:33:18.742Z
Modified
2026-07-08T08:13:53.993178247Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
NULL Pointer Dereference in Wireshark
Details

ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "4.6.0"
                },
                {
                    "fixed": "4.6.6"
                },
                {
                    "introduced": "4.4.0"
                },
                {
                    "fixed": "4.4.16"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9759.json",
    "cna_assigner": "GitLab",
    "cwe_ids": [
        "CWE-476"
    ]
}
References

Affected packages

Git / github.com/wireshark/wireshark

Affected ranges

Type
GIT
Repo
https://github.com/wireshark/wireshark
Events
Introduced
009a163470b581c7d3ee66d89c819cef1f9e50fe
Fixed
77a2a01017b740d3edc148a691693b2d9cad9b6a
Introduced
cdfb6721e77c19d43f4787f66e9d5f2525281a22
Fixed
3a22c3ef473d3f9c556d1fb13e3088c693d4fa96
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.4.0"
        },
        {
            "fixed": "4.4.16"
        },
        {
            "introduced": "4.6.0"
        },
        {
            "fixed": "4.6.6"
        }
    ]
}

Affected versions

v4.*
v4.4.0
v4.4.1
v4.4.10
v4.4.10rc0
v4.4.11
v4.4.11rc0
v4.4.12
v4.4.12rc0
v4.4.13
v4.4.13rc0
v4.4.14
v4.4.14rc0
v4.4.15
v4.4.15rc0
v4.4.16rc0
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
v4.4.9
v4.4.9rc0
v4.6.0
v4.6.1
v4.6.1rc0
v4.6.2
v4.6.2rc0
v4.6.3
v4.6.3rc0
v4.6.4
v4.6.4rc0
v4.6.5
v4.6.5rc0
v4.6.6rc0
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
wireshark-4.4.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9759.json"

Git / gitlab.com/wireshark/wireshark

Affected ranges

Type
GIT
Repo
https://gitlab.com/wireshark/wireshark
Events
Introduced
009a163470b581c7d3ee66d89c819cef1f9e50fe
Fixed
77a2a01017b740d3edc148a691693b2d9cad9b6a
Introduced
cdfb6721e77c19d43f4787f66e9d5f2525281a22
Fixed
3a22c3ef473d3f9c556d1fb13e3088c693d4fa96
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.4.0"
        },
        {
            "fixed": "4.4.16"
        },
        {
            "introduced": "4.6.0"
        },
        {
            "fixed": "4.6.6"
        }
    ]
}

Affected versions

v4.*
v4.4.0
v4.4.1
v4.4.10
v4.4.10rc0
v4.4.11
v4.4.11rc0
v4.4.12
v4.4.12rc0
v4.4.13
v4.4.13rc0
v4.4.14
v4.4.14rc0
v4.4.15
v4.4.15rc0
v4.4.16rc0
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
v4.4.9
v4.4.9rc0
v4.6.0
v4.6.1
v4.6.1rc0
v4.6.2
v4.6.2rc0
v4.6.3
v4.6.3rc0
v4.6.4
v4.6.4rc0
v4.6.5
v4.6.5rc0
v4.6.6rc0
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
wireshark-4.4.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9759.json"