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vuln-cve/data/2026/76xxx/CVE-2026-76886.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-76886",
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"state": "PUBLISHED",
"assignerShortName": "GitLab",
"dateReserved": "2026-08-19T22:34:34.934Z",
"datePublished": "2026-08-19T22:35:24.922Z",
"dateUpdated": "2026-08-20T15:01:54.161Z"
},
"containers": {
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"title": "Heap-based Buffer Overflow in Wireshark",
"descriptions": [
{
"lang": "en",
"value": "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"
}
],
"affected": [
{
"vendor": "Wireshark Foundation",
"product": "Wireshark",
"versions": [
{
"version": "4.6.0",
"status": "affected",
"lessThan": "4.6.8",
"versionType": "semver"
},
{
"version": "4.4.0",
"status": "affected",
"lessThan": "4.4.18",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-122: Heap-based Buffer Overflow",
"cweId": "CWE-122",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://www.wireshark.org/security/wnpa-sec-2026-75.html"
},
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21439"
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH"
}
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to version 4.6.8 or above"
}
],
"credits": [
{
"lang": "en",
"value": "Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)",
"type": "finder"
}
],
"providerMetadata": {
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab",
"dateUpdated": "2026-08-19T22:35:24.922Z"
}
},
"adp": [
{
"references": [
{
"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21446",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-20T15:01:29.786117Z",
"id": "CVE-2026-76886",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-20T15:01:54.161Z"
}
}
]
}
}