{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5654", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "state": "PUBLISHED", "assignerShortName": "GitLab", "dateReserved": "2026-04-06T06:33:56.341Z", "datePublished": "2026-04-30T05:39:04.227Z", "dateUpdated": "2026-04-30T13:02:57.653Z"}, "containers": {"cna": {"title": "Stack-based Buffer Overflow in Wireshark", "descriptions": [{"lang": "en", "value": "AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"version": "4.6.0", "status": "affected", "lessThan": "4.6.5", "versionType": "semver"}, {"version": "4.4.0", "status": "affected", "lessThan": "4.4.15", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-121: Stack-based Buffer Overflow", "cweId": "CWE-121", "type": "CWE"}]}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-18.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/issues/21111", "name": "GitLab Issue #21111", "tags": ["issue-tracking", "permissions-required"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.5 or above"}], "credits": [{"lang": "en", "value": "Alexandre de Oliveira", "type": "finder"}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-30T05:39:04.227Z"}}, "adp": [{"references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21111", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-30T13:02:16.666075Z", "id": "CVE-2026-5654", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-30T13:02:57.653Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-5654", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-30T13:02:16.666075Z"}}}], "references": [{"url": "https://gitlab.com/wireshark/wireshark/-/work_items/21111", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-30T13:01:54.821Z"}}], "cna": {"title": "Stack-based Buffer Overflow in Wireshark", "credits": [{"lang": "en", "type": "finder", "value": "Alexandre de Oliveira"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Wireshark Foundation", "product": "Wireshark", "versions": [{"status": "affected", "version": "4.6.0", "lessThan": "4.6.5", "versionType": "semver"}, {"status": "affected", "version": "4.4.0", "lessThan": "4.4.15", "versionType": "semver"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to version 4.6.5 or above"}], "references": [{"url": "https://www.wireshark.org/security/wnpa-sec-2026-18.html"}, {"url": "https://gitlab.com/wireshark/wireshark/-/issues/21111", "name": "GitLab Issue #21111", "tags": ["issue-tracking", "permissions-required"]}], "descriptions": [{"lang": "en", "value": "AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "shortName": "GitLab", "dateUpdated": "2026-04-30T05:39:04.227Z"}}}, "cveMetadata": {"cveId": "CVE-2026-5654", "state": "PUBLISHED", "dateUpdated": "2026-04-30T13:02:57.653Z", "dateReserved": "2026-04-06T06:33:56.341Z", "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a", "datePublished": "2026-04-30T05:39:04.227Z", "assignerShortName": "GitLab"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "77CF79F1-B53C-40A7-9570-A192D5A85ED6", "versionEndIncluding": "4.4.14", "versionStartIncluding": "4.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "B52139AE-161F-406A-B28D-F874CE8B68B6", "versionEndIncluding": "4.6.4", "versionStartIncluding": "4.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service"}], "id": "CVE-2026-5654", "lastModified": "2026-05-01T17:02:54.637", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-04-30T07:16:38.650", "references": [{"source": "[email protected]", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/issues/21111"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://www.wireshark.org/security/wnpa-sec-2026-18.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/work_items/21111"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "[email protected]", "type": "Secondary"}]}

{"bugzilla": {"description": "wireshark: Wireshark: Denial of service vulnerability in AMR-NB codec", "id": "2464025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464025"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-237", "details": ["A flaw was found in Wireshark. This vulnerability allows a remote attacker to cause the application to crash by exploiting an issue within the AMR-NB codec. Successful exploitation leads to a denial of service, which prevents Wireshark from functioning and analyzing network traffic."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, users should avoid opening or analyzing untrusted network capture files containing AMR-NB codec data with Wireshark. Limiting the sources of network captures to trusted environments can reduce exposure."}, "name": "CVE-2026-5654", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-30T05:39:04Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-5654\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-5654\nhttps://gitlab.com/wireshark/wireshark/-/issues/21111\nhttps://www.wireshark.org/security/wnpa-sec-2026-18.html"], "threat_severity": "Moderate"}