{"document":{"aggregate_severity":{"namespace":"https://access.redhat.com/security/updates/classification/","text":"Moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright © Red Hat, Inc. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"legal_disclaimer","text":"This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.","title":"Terms of Use"}],"publisher":{"category":"vendor","contact_details":"https://access.redhat.com/security/team/contact/","issuing_authority":"Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.","name":"Red Hat Product Security","namespace":"https://www.redhat.com"},"references":[{"category":"self","summary":"Canonical URL","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109748.json"}],"title":"firefox: Use-after-free in the JavaScript: WebAssembly component","tracking":{"current_release_date":"2026-11-04T13:08:13+00:00","generator":{"date":"2026-11-04T13:08:13+00:00","engine":{"name":"Red Hat 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ID","text":"2550460"}],"notes":[{"category":"description","text":"A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue:\nUse-after-free in the JavaScript: WebAssembly component","title":"Vulnerability description"},{"category":"summary","text":"firefox: Use-after-free in the JavaScript: WebAssembly component","title":"Vulnerability summary"},{"category":"other","text":"Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.","title":"Statement"},{"category":"general","text":"The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.","title":"CVSS score 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