alsa-2026:42062
Vulnerability from osv_almalinux
Published
2026-07-20 00:00
Modified
2026-07-21 10:23
Summary
Important: webkit2gtk3 security update
Details

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

Security Fix(es):

  • Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699)
  • webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701)
  • webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712)
  • webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)
  • webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720)
  • webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)
  • webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727)
  • webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)
  • webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734)
  • webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742)
  • webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
https://access.redhat.com/errata/RHSA-2026:42062 ADVISORY
https://access.redhat.com/security/cve/CVE-2024-4367 REPORT
https://access.redhat.com/security/cve/CVE-2026-39872 REPORT
https://access.redhat.com/security/cve/CVE-2026-43663 REPORT
https://access.redhat.com/security/cve/CVE-2026-43676 REPORT
https://access.redhat.com/security/cve/CVE-2026-43699 REPORT
https://access.redhat.com/security/cve/CVE-2026-43701 REPORT
https://access.redhat.com/security/cve/CVE-2026-43705 REPORT
https://access.redhat.com/security/cve/CVE-2026-43707 REPORT
https://access.redhat.com/security/cve/CVE-2026-43712 REPORT
https://access.redhat.com/security/cve/CVE-2026-43713 REPORT
https://access.redhat.com/security/cve/CVE-2026-43715 REPORT
https://access.redhat.com/security/cve/CVE-2026-43716 REPORT
https://access.redhat.com/security/cve/CVE-2026-43720 REPORT
https://access.redhat.com/security/cve/CVE-2026-43721 REPORT
https://access.redhat.com/security/cve/CVE-2026-43725 REPORT
https://access.redhat.com/security/cve/CVE-2026-43726 REPORT
https://access.redhat.com/security/cve/CVE-2026-43727 REPORT
https://access.redhat.com/security/cve/CVE-2026-43731 REPORT
https://access.redhat.com/security/cve/CVE-2026-43732 REPORT
https://access.redhat.com/security/cve/CVE-2026-43734 REPORT
https://access.redhat.com/security/cve/CVE-2026-43740 REPORT
https://access.redhat.com/security/cve/CVE-2026-43742 REPORT
https://access.redhat.com/security/cve/CVE-2026-43745 REPORT
https://bugzilla.redhat.com/2280382 REPORT
https://bugzilla.redhat.com/2500519 REPORT
https://bugzilla.redhat.com/2500520 REPORT
https://bugzilla.redhat.com/2500521 REPORT
https://bugzilla.redhat.com/2500522 REPORT
https://bugzilla.redhat.com/2500523 REPORT
https://bugzilla.redhat.com/2500524 REPORT
https://bugzilla.redhat.com/2500525 REPORT
https://bugzilla.redhat.com/2500526 REPORT
https://bugzilla.redhat.com/2500527 REPORT
https://bugzilla.redhat.com/2500528 REPORT
https://bugzilla.redhat.com/2500529 REPORT
https://bugzilla.redhat.com/2500530 REPORT
https://bugzilla.redhat.com/2500531 REPORT
https://bugzilla.redhat.com/2500532 REPORT
https://bugzilla.redhat.com/2500533 REPORT
https://bugzilla.redhat.com/2500534 REPORT
https://bugzilla.redhat.com/2500535 REPORT
https://bugzilla.redhat.com/2500536 REPORT
https://bugzilla.redhat.com/2500537 REPORT
https://bugzilla.redhat.com/2500538 REPORT
https://bugzilla.redhat.com/2500539 REPORT
https://bugzilla.redhat.com/2500540 REPORT
https://errata.almalinux.org/9/ALSA-2026-42062.html ADVISORY

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "webkit2gtk3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.52.5-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "webkit2gtk3-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.52.5-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "webkit2gtk3-jsc"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.52.5-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "webkit2gtk3-jsc-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.52.5-1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.  \n\nSecurity Fix(es):  \n\n  * Mozilla: Arbitrary JavaScript execution in PDF.js (CVE-2024-4367)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-39872)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43663)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43676)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43699)\n  * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43701)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43705)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43707)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43712)\n  * webkitgtk: webkitgtk: Visiting a website may leak sensitive data (CVE-2026-43713)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43715)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43716)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43720)\n  * webkitgtk: webkitgtk: A malicious website may silently hijack clipboard data (CVE-2026-43721)\n  * webkitgtk: webkitgtk: A malicious website may process restricted web content outside the sandbox (CVE-2026-43725)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43726)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43727)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may lead to memory corruption (CVE-2026-43731)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may disclose sensitive user information (CVE-2026-43732)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43734)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory (CVE-2026-43740)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43742)\n  * webkitgtk: webkitgtk: Maliciously crafted web content may cause unexpected process crash (CVE-2026-43745)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:42062",
  "modified": "2026-07-21T10:23:58Z",
  "published": "2026-07-20T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:42062"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2024-4367"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-39872"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43663"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43676"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43699"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43701"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43705"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43707"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43712"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43713"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43715"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43716"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43720"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43721"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43725"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43726"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43727"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43731"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43732"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43734"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43740"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43742"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43745"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2280382"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500519"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500520"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500521"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500522"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500523"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500524"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500525"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500526"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500527"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500528"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500529"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500530"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500531"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500532"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500533"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500534"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500535"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500536"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500537"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500538"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500539"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2500540"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2026-42062.html"
    }
  ],
  "related": [
    "CVE-2024-4367",
    "CVE-2026-39872",
    "CVE-2026-43663",
    "CVE-2026-43676",
    "CVE-2026-43699",
    "CVE-2026-43701",
    "CVE-2026-43705",
    "CVE-2026-43707",
    "CVE-2026-43712",
    "CVE-2026-43713",
    "CVE-2026-43715",
    "CVE-2026-43716",
    "CVE-2026-43720",
    "CVE-2026-43721",
    "CVE-2026-43725",
    "CVE-2026-43726",
    "CVE-2026-43727",
    "CVE-2026-43731",
    "CVE-2026-43732",
    "CVE-2026-43734",
    "CVE-2026-43740",
    "CVE-2026-43742",
    "CVE-2026-43745"
  ],
  "summary": "Important: webkit2gtk3 security update"
}



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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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