CVE-2026-76886

Source
https://cve.org/CVERecord?id=CVE-2026-76886
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76886.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-76886
Downstream
Related
Published
2026-08-19T22:35:24.922Z
Modified
2026-08-30T03:48:17.469156327Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Heap-based Buffer Overflow in Wireshark
Details

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76886.json",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "4.6.0"
                },
                {
                    "fixed": "4.6.8"
                },
                {
                    "introduced": "4.4.0"
                },
                {
                    "fixed": "4.4.18"
                }
            ]
        }
    ],
    "cwe_ids": [
        "CWE-122"
    ],
    "cna_assigner": "GitLab"
}
References

Affected packages

Git / github.com/wireshark/wireshark

Affected ranges

Type
GIT
Repo
https://github.com/wireshark/wireshark
Events
Database specific
Show details
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.4.0"
        },
        {
            "fixed": "4.4.18"
        },
        {
            "introduced": "4.6.0"
        },
        {
            "fixed": "4.6.8"
        }
    ]
}

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
v4.4.16
v4.4.16rc0
v4.4.17
v4.4.17rc0
v4.4.18rc0
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
v4.6.16
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
v4.6.6
v4.6.6rc0
v4.6.7
v4.6.7rc0
v4.6.8rc0
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-2026-76886.json"

Git / gitlab.com/wireshark/wireshark

Affected ranges

Type
GIT
Repo
https://gitlab.com/wireshark/wireshark
Events
Database specific
Show details
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.4.0"
        },
        {
            "fixed": "4.4.18"
        },
        {
            "introduced": "4.6.0"
        },
        {
            "fixed": "4.6.8"
        }
    ]
}

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
v4.4.16
v4.4.16rc0
v4.4.17
v4.4.17rc0
v4.4.18rc0
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
v4.6.6
v4.6.6rc0
v4.6.7
v4.6.7rc0
v4.6.8rc0
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-2026-76886.json"