CVE-2026-6784: Mozilla Firefox, грешка в паметта

Описание

Оригинално описание

Memory safety bugs present in Firefox 149 and Thunderbird 149. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Засегнати продукти

• Mozilla Firefox: от 150 нататък
• Mozilla Thunderbird: от 150 нататък
• Red Hat: още 5 продукта, добавени от Red Hat

  Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9

Вид слабост

• CWE-125 Четене извън границите на буфера
• CWE-787 Out-of-bounds Write
• CWE-416 Използване на памет след освобождаване (Use-After-Free)

История

Други уязвимости в Mozilla Firefox

• 6.5CVE-2026-121259
• 8.8CVE-2026-120572
• 6.5CVE-2026-119843
• 6.5CVE-2026-120831
• 7.4CVE-2026-120830

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-6784
• https://nvd.nist.gov/vuln/detail/CVE-2026-6784
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1536243%2C1745382%2C1851073%2C1893400%2C1963301%2C2001319%2C2002899%2C2012436%2C2014435%2C2016901%2C2019916%2C2020486%2C2020612%2C2020817%2C2021788%2C2022051%2C2022367%2C2022431%2C2023302%2C2023670%2C2024225%2C2024238%2C2024240%2C2024265%2C2024367%2C2024369%2C2024424%2C2024760%2C2025281%2C2025361%2C2025387%2C2025466%2C2025954%2C2025958%2C2026278%2C2026292%2C2026297%2C2026378%2C2027148%2C2027287%2C2027341%2C2027384%2C2027427%2C2027694%2C2027993%2C2028009%2C2028270%2C2028416%2C2028524%2C2029295%2C2029699%2C2029800%2C2029801
• https://www.mozilla.org/security/advisories/mfsa2026-30/
• https://www.mozilla.org/security/advisories/mfsa2026-33/
• https://access.redhat.com/security/cve/CVE-2026-6784
• https://bugzilla.redhat.com/show_bug.cgi?id=2460084
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6784.json