TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.6.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.8 advisory.

  - Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and     possible code execution (CVE-2026-5656)

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76890,     CVE-2026-76891)

  - UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76889)

  - RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76888)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote Windows host is prior to 4.6.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.8 advisory.

  - Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and     possible code execution (CVE-2026-5656)

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76890,     CVE-2026-76891)

  - UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76889)

  - RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76888)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3501-1 advisory.

    Update to version 4.6.7:

    - CVE-2026-5299: ICMPv6 dissector crash (bsc#1263757).
    - CVE-2026-5401: AFP dissector crash (bsc#1263756).
    - CVE-2026-5402: TLS dissector crash and possible code execution (bsc#1263755).
    - CVE-2026-5403: SBC audio codec crash (bsc#1263765).
    - CVE-2026-5404: K12 RF5 file parser crash (bsc#1263766).
    - CVE-2026-5405: RDP dissector crash (bsc#1263767).
    - CVE-2026-5406: FC-SWILS dissector crash (bsc#1263754).
    - CVE-2026-5407: SMB2 dissector infinite loop (bsc#1263753).
    - CVE-2026-5408: BT-DHT dissector crash (bsc#1263752).
    - CVE-2026-5409: Monero dissector crash (bsc#1263751).
    - CVE-2026-5653: DCP-ETSI dissector crash (bsc#1263750).
    - CVE-2026-5654: AMR-NB audio codec crash (bsc#1263749).
    - CVE-2026-5655: SDP dissector crash (bsc#1263748).
    - CVE-2026-5656: Profile import crash and possible code execution (bsc#1263809).
    - CVE-2026-5657: iLBC audio codec crash (bsc#1263747).
    - CVE-2026-6519: MBIM protocol dissector infinite loop (bsc#1263746).
    - CVE-2026-6520: OpenFlow v6 protocol dissector infinite loop (bsc#1263745).
    - CVE-2026-6521: OpenFlow v5 protocol dissector infinite loops (bsc#1263744).
    - CVE-2026-6522: RPKI-Router protocol dissector infinite loop (bsc#1263743).
    - CVE-2026-6523: GNW protocol dissector infinite loop (bsc#1263742).
    - CVE-2026-6524: MySQL protocol dissector crash (bsc#1263741).
    - CVE-2026-6525: IEEE 802.11 protocol dissector crash (bsc#1263810).
    - CVE-2026-6526: RTSP protocol dissector crash (bsc#1263740).
    - CVE-2026-6527: ASN.1 PER dissector crash (bsc#1263739).
    - CVE-2026-6528: TLS protocol dissector infinite loop (bsc#1263738).
    - CVE-2026-6529: iLBC audio codec crash (bsc#1263737).
    - CVE-2026-6530: DCP-ETSI protocol dissector crash (bsc#1263736).
    - CVE-2026-6531: SANE protocol dissector infinite loop (bsc#1263735).
    - CVE-2026-6532: Kismet protocol dissector crash (bsc#1263734).
    - CVE-2026-6533: Dissection engine LZ77 decompression crash (bsc#1263733).
    - CVE-2026-6534: USB HID dissector infinite loop (bsc#1263732).
    - CVE-2026-6535: Dissection engine zlib decompression crash (bsc#1263731).
    - CVE-2026-6536: DLMS/COSEM dissector infinite loop (bsc#1263730).
    - CVE-2026-6537: ZigBee dissector crash (bsc#1263729).
    - CVE-2026-6538: BEEP dissector crash (bsc#1263728).
    - CVE-2026-6867: SMB2 protocol dissector crash (bsc#1263727).
    - CVE-2026-6868: HTTP protocol dissector crash (bsc#1263762).
    - CVE-2026-6869: WebSocket protocol dissector crash (bsc#1263726).
    - CVE-2026-6870: GSM RP protocol dissector crash (bsc#1263725).
    - CVE-2026-7375: UDS protocol dissector infinite loop (bsc#1263761).
    - CVE-2026-7376: Sharkd utility crash (bsc#1263760).
    - CVE-2026-7378: Sharkd utility crash (bsc#1263759).
    - CVE-2026-7379: Sharkd utility memory leak (bsc#1263758).
    - CVE-2026-9759: ROHC protocol dissector crash (bsc#1266670).
    - CVE-2026-15163: Denial of Service via multiple protocol dissector infinite loops (bsc#1271133).
    - CVE-2026-15164: Denial of Service vulnerability in ciscodump (bsc#1271134).
    - CVE-2026-15165: Denial of Service via TLS ECH decryptor crash (bsc#1271135).
    - CVE-2026-15166: Denial of Service via IEEE 802.11 protocol dissector crash (bsc#1271136).
    - CVE-2026-15167: Denial of Service via DBS Etherwatch file parser crash (bsc#1271137).
    - CVE-2026-15168: BLF file parser allows possible information disclosure (bsc#1271138).
    - CVE-2026-15169: Denial of Service via UMTS FP protocol dissector crash (bsc#1271139).
    - CVE-2026-15170: Denial of service via Z39.50 protocol dissector crash (bsc#1271140).
    - CVE-2026-15171: Denial of service via SSH protocol dissector crash (bsc#1271141).
    - CVE-2026-15172: Denial of service via FMP/NOTIFY protocol dissector crash (bsc#1271142).
    - CVE-2026-15173: Denial of Service via pcapng file parser crash (bsc#1271143).
    - CVE-2026-15174: Denial of Service via Catapult DCT2000 protocol dissector crash (bsc#1271144).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0340 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2026-5656:
    Profile import path traversal in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and     possible code execution

    CVE-2026-5405:
    RDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and     possible code execution

    CVE-2026-5403:
    SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code     execution

    CVE-2026-5402:
    TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible     code execution

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible     code execution (CVE-2026-5402)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.6.5. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.5 advisory.

  - RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of     service (CVE-2026-3203)

  - GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-6870)

  - Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-5409)

  - BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-5408)

  - FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-5406)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote Windows host is prior to 4.6.5. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.5 advisory.

  - RF4CE Profile protocol dissector crash in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of     service (CVE-2026-3203)

  - GSM RP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-6870)

  - Monero protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-5409)

  - BT-DHT protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-5408)

  - FC-SWILS protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service     (CVE-2026-5406)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
338409	Wireshark 4.6.x < 4.6.8 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	high
338408	Wireshark 4.6.x < 4.6.8 Multiple Vulnerabilities	Nessus	Windows	Local	high
333022	SUSE SLED15: libwireshark19 / libwiretap16 / libwsutil17 / wireshark / etc (SUSE-SU-2026:3501-1)	Nessus	SuSE Local Security Checks	Local	high
319758	TencentOS Server 4: wireshark (TSSA-2026:0340)	Nessus	Tencent Local Security Checks	Local	high
311564	Linux Distros Unpatched Vulnerability : CVE-2026-5402	Nessus	Misc.	Local	high
311427	Wireshark 4.6.x < 4.6.5 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	high
311426	Wireshark 4.6.x < 4.6.5 Multiple Vulnerabilities	Nessus	Windows	Local	high

Detections

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CVE-2026-5402

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Tenable Plugins

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