{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54345", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-12T19:23:22.317Z", "datePublished": "2026-07-28T16:14:12.097Z", "dateUpdated": "2026-07-28T17:11:47.628Z"}, "containers": {"cna": {"title": "GoPacket's Diameter AVP decoder: uint32 underflow on vendor header size leads to unbounded ~4 GiB allocation (unauthenticated remote DoS)", "problemTypes": [{"descriptions": [{"cweId": "CWE-191", "lang": "en", "description": "CWE-191: Integer Underflow (Wrap or Wraparound)", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/gopacket/gopacket/security/advisories/GHSA-6r28-9ppf-4hj5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-6r28-9ppf-4hj5"}, {"name": "https://github.com/gopacket/gopacket/commit/145859d0eaee1a6f5925ffb93851c976449c3311", "tags": ["x_refsource_MISC"], "url": "https://github.com/gopacket/gopacket/commit/145859d0eaee1a6f5925ffb93851c976449c3311"}, {"name": "https://github.com/gopacket/gopacket/releases/tag/v1.6.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/gopacket/gopacket/releases/tag/v1.6.1"}], "affected": [{"vendor": "gopacket", "product": "gopacket", "versions": [{"version": "< 1.6.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T16:16:01.548Z"}, "descriptions": [{"lang": "en", "value": "gopacket provides packet processing capabilities for Go. In version 1.6.0 and earlier, the Diameter AVP decoder computes an AVP data length by subtracting a fixed header size from an attacker-controlled AVP Length field, so a vendor-flagged AVP whose Length is smaller than the 12-byte header underflows the unsigned 32-bit value and drives an unbounded allocation of roughly 4 GiB, and two such messages in succession OOM-kill a collector, causing an unauthenticated remote denial of service. This issue is fixed in version 1.6.1."}], "source": {"advisory": "GHSA-6r28-9ppf-4hj5", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-6r28-9ppf-4hj5", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-28T17:11:29.185159Z", "id": "CVE-2026-54345", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-07-28T17:11:47.628Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54345", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-28T17:11:29.185159Z"}}}], "references": [{"url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-6r28-9ppf-4hj5", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-28T17:11:38.291Z"}}], "cna": {"title": "GoPacket's Diameter AVP decoder: uint32 underflow on vendor header size leads to unbounded ~4 GiB allocation (unauthenticated remote DoS)", "source": {"advisory": "GHSA-6r28-9ppf-4hj5", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"vendor": "gopacket", "product": "gopacket", "versions": [{"status": "affected", "version": "< 1.6.1"}]}], "references": [{"url": "https://github.com/gopacket/gopacket/security/advisories/GHSA-6r28-9ppf-4hj5", "name": "https://github.com/gopacket/gopacket/security/advisories/GHSA-6r28-9ppf-4hj5", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/gopacket/gopacket/commit/145859d0eaee1a6f5925ffb93851c976449c3311", "name": "https://github.com/gopacket/gopacket/commit/145859d0eaee1a6f5925ffb93851c976449c3311", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/gopacket/gopacket/releases/tag/v1.6.1", "name": "https://github.com/gopacket/gopacket/releases/tag/v1.6.1", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "gopacket provides packet processing capabilities for Go. In version 1.6.0 and earlier, the Diameter AVP decoder computes an AVP data length by subtracting a fixed header size from an attacker-controlled AVP Length field, so a vendor-flagged AVP whose Length is smaller than the 12-byte header underflows the unsigned 32-bit value and drives an unbounded allocation of roughly 4 GiB, and two such messages in succession OOM-kill a collector, causing an unauthenticated remote denial of service. This issue is fixed in version 1.6.1."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-191", "description": "CWE-191: Integer Underflow (Wrap or Wraparound)"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-28T16:16:01.548Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54345", "state": "PUBLISHED", "dateUpdated": "2026-07-28T17:11:47.628Z", "dateReserved": "2026-06-12T19:23:22.317Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-28T16:14:12.097Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{}

{}

{}