{"id":"CVE-2026-5402","aliases":["DEBIAN-CVE-2026-5402","EUVD-2026-26318","GHSA-f6fp-9f7c-rfwv","SUSE-SU-2026:3501-1","UBUNTU-CVE-2026-5402","openSUSE-SU-2026:10686-1"],"status":"published","title":"Heap-based Buffer Overflow in Wireshark","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code 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hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"},{"vendor":"wireshark","product":"wireshark"},{"vendor":"wireshark foundation","product":"wireshark"}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2026-14.html","tags":["Vendor Advisory","web"]},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/21090","tags":["issue-tracking","permissions-required","Exploit","Issue Tracking","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-5402","tags":["vdb-entry","x_refsource_REDHAT","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2464038","tags":["issue-tracking","x_refsource_REDHAT","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5402.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5402","tags":["advisory"]},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21090"},{"url":"https://github.com/advisories/GHSA-f6fp-9f7c-rfwv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5402.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-5402","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263501-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1263725","tags":["report"]},{"url":"https://bugzilla.suse.com/1263726","tags":["report"]},{"url":"https://bugzilla.suse.com/1263727","tags":["report"]},{"url":"https://bugzilla.suse.com/1263728","tags":["report"]},{"url":"https://bugzilla.suse.com/1263729","tags":["report"]},{"url":"https://bugzilla.suse.com/1263730","tags":["report"]},{"url":"https://bugzilla.suse.com/1263731","tags":["report"]},{"url":"https://bugzilla.suse.com/1263732","tags":["report"]},{"url":"https://bugzilla.suse.com/1263733","tags":["report"]},{"url":"https://bugzilla.suse.com/1263734","tags":["report"]},{"url":"https://bugzilla.suse.com/1263735","tags":["report"]},{"url":"https://bugzilla.suse.com/1263736","tags":["report"]},{"url":"https://bugzilla.suse.com/1263737","tags":["report"]},{"url":"https://bugzilla.suse.com/1263738","tags":["report"]},{"url":"https://bugzilla.suse.com/1263739","tags":["report"]},{"url":"https://bugzilla.suse.com/1263740","tags":["report"]},{"url":"https://bugzilla.suse.com/1263741","tags":["report"]},{"url":"https://bugzilla.suse.com/1263742","tags":["report"]},{"url":"https://bugzilla.suse.com/1263743","tags":["report"]},{"url":"https://bugzilla.suse.com/1263744","tags":["report"]},{"url":"https://bugzilla.suse.com/1263745","tags":["report"]},{"url":"https://bugzilla.suse.com/1263746","tags":["report"]},{"url":"https://bugzilla.suse.com/1263747","tags":["report"]},{"url":"https://bugzilla.suse.com/1263748","tags":["report"]},{"url":"https://bugzilla.suse.com/1263749","tags":["report"]},{"url":"https://bugzilla.suse.com/1263750","tags":["report"]},{"url":"https://bugzilla.suse.com/1263751","tags":["report"]},{"url":"https://bugzilla.suse.com/1263752","tags":["report"]},{"url":"https://bugzilla.suse.com/1263753","tags":["report"]},{"url":"https://bugzilla.suse.com/1263754","tags":["report"]},{"url":"https://bugzilla.suse.com/1263755","tags":["report"]},{"url":"https://bugzilla.suse.com/1263756","tags":["report"]},{"url":"https://bugzilla.suse.com/1263757","tags":["report"]},{"url":"https://bugzilla.suse.com/1263758","tags":["report"]},{"url":"https://bugzilla.suse.com/1263759","tags":["report"]},{"url":"https://bugzilla.suse.com/1263760","tags":["report"]},{"url":"https://bugzilla.suse.com/1263761","tags":["report"]},{"url":"https://bugzilla.suse.com/1263762","tags":["report"]},{"url":"https://bugzilla.suse.com/1263765","tags":["report"]},{"url":"https://bugzilla.suse.com/1263766","tags":["report"]},{"url":"https://bugzilla.suse.com/1263767","tags":["report"]},{"url":"https://bugzilla.suse.com/1263809","tags":["report"]},{"url":"https://bugzilla.suse.com/1263810","tags":["report"]},{"url":"https://bugzilla.suse.com/1266670","tags":["report"]},{"url":"https://bugzilla.suse.com/1271133","tags":["report"]},{"url":"https://bugzilla.suse.com/1271134","tags":["report"]},{"url":"https://bugzilla.suse.com/1271135","tags":["report"]},{"url":"https://bugzilla.suse.com/1271136","tags":["report"]},{"url":"https://bugzilla.suse.com/1271137","tags":["report"]},{"url":"https://bugzilla.suse.com/1271138","tags":["report"]},{"url":"https://bugzilla.suse.com/1271139","tags":["report"]},{"url":"https://bugzilla.suse.com/1271140","tags":["report"]},{"url":"https://bugzilla.suse.com/1271141","tags":["report"]},{"url":"https://bugzilla.suse.com/1271142","tags":["report"]},{"url":"https://bugzilla.suse.com/1271143","tags":["report"]},{"url":"https://bugzilla.suse.com/1271144","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15163","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15164","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15165","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15166","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15167","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15168","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15169","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15170","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15171","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15172","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15173","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-15174","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5299","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5401","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5402","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5403","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5404","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5405","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5406","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5407","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5408","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5409","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5653","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5654","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5655","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5656","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-5657","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6519","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6520","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6521","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6522","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6523","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6524","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6525","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6526","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6528","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6529","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6530","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6531","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6532","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6533","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6535","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6536","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6537","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6867","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6868","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6869","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6870","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-7375","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-7376","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-7378","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-7379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-9759","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-5402","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-5402","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-5402","title":"Heap-based Buffer Overflow in Wireshark","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T05:39:14.217Z","modified":"2026-07-15T00:43:56.702Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-122","CWE-122"],"updated_at":"2026-11-02T13:39:39.001586Z"}],"euvd":[{"id":"EUVD-2026-26318","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T05:39:14Z","modified":"2026-07-15T00:43:56Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:19:56.918546Z"}],"ghsa":[{"id":"GHSA-f6fp-9f7c-rfwv","title":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and...","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T09:30:24Z","modified":"2026-06-30T03:36:28Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:09:04.668745Z"}],"nvd":[{"id":"CVE-2026-5402","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T07:16:37.847Z","modified":"2026-10-26T00:10:00.15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:16.626888Z"}],"osv":[{"id":"CVE-2026-5402","title":"Heap-based Buffer Overflow in Wireshark","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T05:39:14.217Z","modified":"2026-10-28T02:31:05.168848236Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:45:08.132336Z"},{"id":"DEBIAN-CVE-2026-5402","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T07:16:37.847Z","modified":"2026-10-26T11:47:24.448360431Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:57.236551Z"},{"id":"UBUNTU-CVE-2026-5402","description":"TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution","status":"published","published":"2026-04-30T07:16:00Z","modified":"2026-11-06T13:54:15.26075735Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-06T14:24:48.339862Z"},{"id":"openSUSE-SU-2026:10686-1","title":"libwireshark19-4.6.5-1.1 on GA media","description":"These are all security issues fixed in the libwireshark19-4.6.5-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-05-04T00:00:00Z","modified":"2026-05-05T07:47:05.376034Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"SUSE-SU-2026:3501-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\nUpdate to version 4.6.7:\n\n- CVE-2026-5299: ICMPv6 dissector crash (bsc#1263757).\n- CVE-2026-5401: AFP dissector crash (bsc#1263756).\n- CVE-2026-5402: TLS dissector crash and possible code execution (bsc#1263755).\n- CVE-2026-5403: SBC audio codec crash (bsc#1263765).\n- CVE-2026-5404: K12 RF5 file parser crash (bsc#1263766).\n- CVE-2026-5405: RDP dissector crash (bsc#1263767).\n- CVE-2026-5406: FC-SWILS dissector crash (bsc#1263754).\n- CVE-2026-5407: SMB2 dissector infinite loop (bsc#1263753).\n- CVE-2026-5408: BT-DHT dissector crash (bsc#1263752).\n- CVE-2026-5409: Monero dissector crash (bsc#1263751).\n- CVE-2026-5653: DCP-ETSI dissector crash (bsc#1263750).\n- CVE-2026-5654: AMR-NB audio codec crash (bsc#1263749).\n- CVE-2026-5655: SDP dissector crash (bsc#1263748).\n- CVE-2026-5656: Profile import crash and possible code execution (bsc#1263809).\n- CVE-2026-5657: iLBC audio codec crash (bsc#1263747).\n- CVE-2026-6519: MBIM protocol dissector infinite loop (bsc#1263746).\n- CVE-2026-6520: OpenFlow v6 protocol dissector infinite loop (bsc#1263745).\n- CVE-2026-6521: OpenFlow v5 protocol dissector infinite loops (bsc#1263744).\n- CVE-2026-6522: RPKI-Router protocol dissector infinite loop (bsc#1263743).\n- CVE-2026-6523: GNW protocol dissector infinite loop (bsc#1263742).\n- CVE-2026-6524: MySQL protocol dissector crash (bsc#1263741).\n- CVE-2026-6525: IEEE 802.11 protocol dissector crash (bsc#1263810).\n- CVE-2026-6526: RTSP protocol dissector crash (bsc#1263740).\n- CVE-2026-6527: ASN.1 PER dissector crash (bsc#1263739).\n- CVE-2026-6528: TLS protocol dissector infinite loop (bsc#1263738).\n- CVE-2026-6529: iLBC audio codec crash (bsc#1263737).\n- CVE-2026-6530: DCP-ETSI protocol dissector crash (bsc#1263736).\n- CVE-2026-6531: SANE protocol dissector infinite loop (bsc#1263735).\n- CVE-2026-6532: Kismet protocol dissector crash (bsc#1263734).\n- CVE-2026-6533: Dissection engine LZ77 decompression crash (bsc#1263733).\n- CVE-2026-6534: USB HID dissector infinite loop (bsc#1263732).\n- CVE-2026-6535: Dissection engine zlib decompression crash (bsc#1263731).\n- CVE-2026-6536: DLMS/COSEM dissector infinite loop (bsc#1263730).\n- CVE-2026-6537: ZigBee dissector crash (bsc#1263729).\n- CVE-2026-6538: BEEP dissector crash (bsc#1263728).\n- CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).\n- CVE-2026-6868: HTTP protocol dissector crash (bsc#1263762).\n- CVE-2026-6869: WebSocket protocol dissector crash (bsc#1263726).\n- CVE-2026-6870: GSM RP protocol dissector crash (bsc#1263725).\n- CVE-2026-7375: UDS protocol dissector infinite loop (bsc#1263761).\n- CVE-2026-7376: Sharkd utility crash (bsc#1263760).\n- CVE-2026-7378: Sharkd utility crash (bsc#1263759).\n- CVE-2026-7379: Sharkd utility memory leak (bsc#1263758).\n- CVE-2026-9759: ROHC protocol dissector crash (bsc#1266670).\n- CVE-2026-15163: Denial of Service via multiple protocol dissector infinite loops (bsc#1271133).\n- CVE-2026-15164: Denial of Service vulnerability in ciscodump (bsc#1271134).\n- CVE-2026-15165: Denial of Service via TLS ECH decryptor crash (bsc#1271135).\n- CVE-2026-15166: Denial of Service via IEEE 802.11 protocol dissector crash (bsc#1271136).\n- CVE-2026-15167: Denial of Service via DBS Etherwatch file parser crash (bsc#1271137).\n- CVE-2026-15168: BLF file parser allows possible information disclosure (bsc#1271138).\n- CVE-2026-15169: Denial of Service via UMTS FP protocol dissector crash (bsc#1271139).\n- CVE-2026-15170: Denial of service via Z39.50 protocol dissector crash (bsc#1271140).\n- CVE-2026-15171: Denial of service via SSH protocol dissector crash (bsc#1271141).\n- CVE-2026-15172: Denial of service via FMP/NOTIFY protocol dissector crash (bsc#1271142).\n- CVE-2026-15173: Denial of Service via pcapng file parser crash (bsc#1271143).\n- CVE-2026-15174: Denial of Service via Catapult DCT2000 protocol dissector crash (bsc#1271144).\n","status":"published","published":"2026-08-05T12:41:59Z","modified":"2026-08-06T11:15:07.875092832Z","updated_at":"2026-11-02T15:54:04.987808Z"}]}}