GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-11143 (GCVE-0-2026-11143)

Vulnerability from cvelistv5 – Published: 2026-06-04 23:05 – Updated: 2026-06-08 18:42
VLAI
Summary
Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-06 03:35 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Google Chrome Affected: 149.0.7827.53 , < 149.0.7827.53 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-11143",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-06T03:35:07.407180Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-08T18:42:27.612Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "149.0.7827.53",
              "status": "affected",
              "version": "149.0.7827.53",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "Heap buffer overflow",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-04T23:05:17.463Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html"
        },
        {
          "url": "https://issues.chromium.org/issues/501674219"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11143",
    "datePublished": "2026-06-04T23:05:17.463Z",
    "dateReserved": "2026-06-04T17:10:28.164Z",
    "dateUpdated": "2026-06-08T18:42:27.612Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-11143",
      "date": "2026-09-16",
      "epss": "0.00175",
      "percentile": "0.07248"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-11143\",\"sourceIdentifier\":\"chrome-cve-admin@google.com\",\"published\":\"2026-06-04T23:17:20.537\",\"lastModified\":\"2026-07-23T07:10:00.113\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)\"},{\"lang\":\"es\",\"value\":\"Lectura fuera de l\u00edmites en Extensiones en Google Chrome en Linux anterior a 149.0.7827.53 permiti\u00f3 a un atacante que convenci\u00f3 a un usuario de instalar una extensi\u00f3n maliciosa obtener informaci\u00f3n potencialmente sensible de la memoria del proceso a trav\u00e9s de una extensi\u00f3n de Chrome manipulada. (Gravedad de seguridad de Chromium: Media)\"}],\"affected\":[{\"source\":\"chrome-cve-admin@google.com\",\"affectedData\":[{\"vendor\":\"Google\",\"product\":\"Chrome\",\"versions\":[{\"version\":\"149.0.7827.53\",\"lessThan\":\"149.0.7827.53\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-06-06T03:35:07.407180Z\",\"id\":\"CVE-2026-11143\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"chrome-cve-admin@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"149.0.7827.53\",\"matchCriteriaId\":\"21256214-C5CC-4E3E-8121-327ABCDEC6EA\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"}]}]}],\"references\":[{\"url\":\"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://issues.chromium.org/issues/501674219\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Permissions Required\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-06-28T07:15:11+00:00",
      "cve": "CVE-2026-11143",
      "id": "CVE-2026-11143",
      "initial_release_date": "2026-06-02T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "chromium-browser: Heap buffer overflow in Extensions",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-11143.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "not set",
      "current_release_date": "2026-09-02T12:13:55Z",
      "cve": "CVE-2026-11143",
      "id": "CVE-2026-11143",
      "initial_release_date": "2026-06-07T04:44:00Z",
      "product_status:recommended": "6",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-11143",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-11143.json",
      "version": "4"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-11143\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-06T03:35:07.407180Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-06T03:35:31.147Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"Google\", \"product\": \"Chrome\", \"versions\": [{\"status\": \"affected\", \"version\": \"149.0.7827.53\", \"lessThan\": \"149.0.7827.53\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html\"}, {\"url\": \"https://issues.chromium.org/issues/501674219\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-122\", \"description\": \"Heap buffer overflow\"}]}], \"providerMetadata\": {\"orgId\": \"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28\", \"shortName\": \"Chrome\", \"dateUpdated\": \"2026-06-04T23:05:17.463Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-11143\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-08T18:42:27.612Z\", \"dateReserved\": \"2026-06-04T17:10:28.164Z\", \"assignerOrgId\": \"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28\", \"datePublished\": \"2026-06-04T23:05:17.463Z\", \"assignerShortName\": \"Chrome\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.