CVE-2026-21366

🗓️ 04 Aug 2026 15:07:12Reported by qualcommType

CVE-2026-21366 causes memory corruption from integer overflow when processing near maximum packet size in the network stack.

Reporter	Title	Published	Views	Family All 8
attackerkb	CVE-2026-21366	4 Aug 202615:07	–	attackerkb
Circl	CVE-2026-21366	4 Aug 202616:45	–	circl
Cvelist	CVE-2026-21366 Integer Overflow or Wraparound in Data Network Stack & Connectivity	4 Aug 202615:07	–	cvelist
EUVD	EUVD-2026-52728	4 Aug 202615:07	–	euvd
NVD	CVE-2026-21366	4 Aug 202616:16	–	nvd
Positive Technologies	PT-2026-67733	4 Aug 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-21366: Integer Overflow or Wraparound	4 Aug 202600:00	–	rapid7
Vulnrichment	CVE-2026-21366 Integer Overflow or Wraparound in Data Network Stack & Connectivity	4 Aug 202615:07	–	vulnrichment

NVD

Vulners

Node

AND

qualcomm lemans_au_lgit_firmwareMatch-

qualcomm lemans_au_lgitMatch-

Node

AND

qualcomm lemansau_firmwareMatch-

qualcomm lemansauMatch-

Node

AND

qualcomm qam8255p_firmwareMatch-

qualcomm qam8255pMatch-

Node

AND

qualcomm qam8295p_firmwareMatch-

qualcomm qam8295pMatch-

Node

AND

qualcomm qam8620p_firmwareMatch-

qualcomm qam8620pMatch-

Node

AND

qualcomm qamsrv1h_firmwareMatch-

qualcomm qamsrv1hMatch-

Node

AND

qualcomm qamsrv1m_firmwareMatch-

qualcomm qamsrv1mMatch-

Node

AND

qualcomm qca6574au_firmwareMatch-

qualcomm qca6574auMatch-

Node

AND

qualcomm qca6595_firmwareMatch-

qualcomm qca6595Match-

Node

AND

qualcomm qca6595au_firmwareMatch-

qualcomm qca6595auMatch-

Node

AND

qualcomm qca6688aq_firmwareMatch-

qualcomm qca6688aqMatch-

Node

AND

qualcomm qca6696_firmwareMatch-

qualcomm qca6696Match-

Node

AND

qualcomm qca6698aq_firmwareMatch-

qualcomm qca6698aqMatch-

Node

AND

qualcomm qca6797aq_firmwareMatch-

qualcomm qca6797aqMatch-

Node

AND

qualcomm qca8695au_firmwareMatch-

qualcomm qca8695auMatch-

Node

AND

qualcomm sa6145p_firmwareMatch-

qualcomm sa6145pMatch-

Node

AND

qualcomm sa6150p_firmwareMatch-

qualcomm sa6150pMatch-

Node

AND

qualcomm sa6155p_firmwareMatch-

qualcomm sa6155pMatch-

Node

AND

qualcomm sa7255p_firmwareMatch-

qualcomm sa7255pMatch-

Node

AND

qualcomm sa7775p_firmwareMatch-

qualcomm sa7775pMatch-

Node

AND

qualcomm sa8145p_firmwareMatch-

qualcomm sa8145pMatch-

Node

AND

qualcomm sa8150p_firmwareMatch-

qualcomm sa8150pMatch-

Node

AND

qualcomm sa8155p_firmwareMatch-

qualcomm sa8155pMatch-

Node

AND

qualcomm sa8195p_firmwareMatch-

qualcomm sa8195pMatch-

Node

AND

qualcomm sa8255p_firmwareMatch-

qualcomm sa8255pMatch-

Node

AND

qualcomm sa8295p_firmwareMatch-

qualcomm sa8295pMatch-

Node

AND

qualcomm sa8540p_firmwareMatch-

qualcomm sa8540pMatch-

Node

AND

qualcomm sa8620p_firmwareMatch-

qualcomm sa8620pMatch-

Node

AND

qualcomm sa8770p_firmwareMatch-

qualcomm sa8770pMatch-

Node

AND

qualcomm sa9000p_firmwareMatch-

qualcomm sa9000pMatch-

Node

AND

qualcomm srv1h_firmwareMatch-

qualcomm srv1hMatch-

Node

AND

qualcomm srv1l_firmwareMatch-

qualcomm srv1lMatch-

Node

AND

qualcomm srv1m_firmwareMatch-

qualcomm srv1mMatch-

[
  {
    "defaultStatus": "unaffected",
    "platforms": [
      "Snapdragon Auto"
    ],
    "product": "Snapdragon",
    "vendor": "Qualcomm, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "LeMans_AU_LGIT"
      },
      {
        "status": "affected",
        "version": "LeMansAU"
      },
      {
        "status": "affected",
        "version": "QAM8255P"
      },
      {
        "status": "affected",
        "version": "QAM8295P"
      },
      {
        "status": "affected",
        "version": "QAM8620P"
      },
      {
        "status": "affected",
        "version": "QAMSRV1H"
      },
      {
        "status": "affected",
        "version": "QAMSRV1M"
      },
      {
        "status": "affected",
        "version": "QCA6574AU"
      },
      {
        "status": "affected",
        "version": "QCA6595"
      },
      {
        "status": "affected",
        "version": "QCA6595AU"
      },
      {
        "status": "affected",
        "version": "QCA6688AQ"
      },
      {
        "status": "affected",
        "version": "QCA6696"
      },
      {
        "status": "affected",
        "version": "QCA6698AQ"
      },
      {
        "status": "affected",
        "version": "QCA6797AQ"
      },
      {
        "status": "affected",
        "version": "QCA8695AU"
      },
      {
        "status": "affected",
        "version": "SA6145P"
      },
      {
        "status": "affected",
        "version": "SA6150P"
      },
      {
        "status": "affected",
        "version": "SA6155P"
      },
      {
        "status": "affected",
        "version": "SA7255P"
      },
      {
        "status": "affected",
        "version": "SA7775P"
      },
      {
        "status": "affected",
        "version": "SA8145P"
      },
      {
        "status": "affected",
        "version": "SA8150P"
      },
      {
        "status": "affected",
        "version": "SA8155P"
      },
      {
        "status": "affected",
        "version": "SA8195P"
      },
      {
        "status": "affected",
        "version": "SA8255P"
      },
      {
        "status": "affected",
        "version": "SA8295P"
      },
      {
        "status": "affected",
        "version": "SA8540P"
      },
      {
        "status": "affected",
        "version": "SA8620P"
      },
      {
        "status": "affected",
        "version": "SA8770P"
      },
      {
        "status": "affected",
        "version": "SA9000P"
      },
      {
        "status": "affected",
        "version": "SRV1H"
      },
      {
        "status": "affected",
        "version": "SRV1L"
      },
      {
        "status": "affected",
        "version": "SRV1M"
      }
    ]
  }
]

Source	Link
docs	www.docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html

06 Aug 2026 18:33Current

6Medium risk

Vulners AI Score6

CVSS 3.17.8

EPSS0.00103

SSVC

CWE-190