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FKIE_CVE-2026-2757

Vulnerability from fkie_nvd - Published: 2026-02-24 14:16 - Updated: 2026-07-15 02:19
Summary
Incorrect boundary conditions in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2001637Issue Tracking, Permissions Required
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-13/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-14/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-15/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-16/Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-17/Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3338
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3339
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3361
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3491
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3492
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3493
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3494
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3495
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3496
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3497
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3515
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3516
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3517
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3976
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3978
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3979
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3980
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3981
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3982
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3983
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:3984
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:4022
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:4152
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:4260
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:4432
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/security/cve/CVE-2026-2757
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://bugzilla.redhat.com/show_bug.cgi?id=2442324
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2757.json
Impacted products

{
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          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.33",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.8",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "148",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.8",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "148",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "source": "security@mozilla.org"
    },
    {
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          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.1"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.8.0-2.el10_1",
              "versionType": "rpm"
            }
          ]
        },
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          "product": "Red Hat Enterprise Linux 10",
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        },
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          "cpes": [
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          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
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              "version": "0:140.8.0-2.el7_9",
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8",
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        },
        {
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          "cpes": [
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          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-2.el8_2",
              "versionType": "rpm"
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          ]
        },
        {
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          "cpes": [
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          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-2.el8_4",
              "versionType": "rpm"
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        },
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          "cpes": [
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          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus_long_life:8.4"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-2.el8_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus_long_life:8.4"
          ],
          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
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              "version": "0:140.8.0-2.el8_4",
              "versionType": "rpm"
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.6"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.8.0-2.el8_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.6"
          ],
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          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-1.el8_6",
              "versionType": "rpm"
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.6"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
          "vendor": "Red Hat",
          "versions": [
            {
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              "status": "unaffected",
              "version": "0:140.8.0-2.el8_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.6"
          ],
          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
          "vendor": "Red Hat",
          "versions": [
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              "versionType": "rpm"
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.6"
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          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-2.el8_6",
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        {
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          "cpes": [
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          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.8"
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          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-2.el8_8",
              "versionType": "rpm"
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "vendor": "Red Hat",
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          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
          "vendor": "Red Hat",
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        {
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          "cpes": [
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          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
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          "packageName": "thunderbird",
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          "vendor": "Red Hat",
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-2.el9_0",
              "versionType": "rpm"
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.0"
          ],
          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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              "version": "0:140.8.0-1.el9_0",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.2"
          ],
          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-1.el9_2",
              "versionType": "rpm"
            }
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        },
        {
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          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.2"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.8.0-2.el9_2",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.4"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.8.0-2.el9_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.4"
          ],
          "defaultStatus": "affected",
          "packageName": "thunderbird",
          "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:140.8.0-1.el9_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.6"
          ],
          "defaultStatus": "affected",
          "packageName": "firefox",
          "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:140.8.0-2.el9_6",
              "versionType": "rpm"
            }
          ]
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}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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