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USN-6779-1: Firefox vulnerabilities

21 May 2024

Several security issues were fixed in Firefox.

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Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

Multiple security issues were discovered in Firefox. If a user were
tricked into opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information across domains, or execute arbitrary code. (CVE-2024-4767,
CVE-2024-4768, CVE-2024-4769, CVE-2024-4771, CVE-2024-4772, CVE-2024-4773,
CVE-2024-4774, CVE-2024-4775, CVE-2024-4776, CVE-2024-4777, CVE-2024-4778)

Jan-Ivar Bruaroey discovered that Firefox did not properly manage memory
when audio input connected with multiple consumers. An attacker could
potentially exploit this issue to cause a denial of service, or execute
arbitrary code. (CVE-2024-4764)

Thomas Rinsma discovered that Firefox did not properly handle type check
when handling fonts in PDF.js. An attacker could potentially exploit this
issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367)

Irvan Kurniawan discovered that Firefox did not properly handle certain
font styles when saving a page to PDF. An attacker could potentially
exploit this issue to cause a denial of service. (CVE-2024-4770)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04

After a standard system update you need to restart Firefox to make all the
necessary changes.

Related notices

  • USN-6782-1: thunderbird-locale-dsb, thunderbird-locale-sv-se, thunderbird-locale-gl, thunderbird-locale-pl, thunderbird-locale-cak, thunderbird-locale-pt-br, thunderbird-gnome-support, thunderbird-locale-lv, thunderbird-locale-bn-bd, thunderbird-locale-fa, thunderbird-locale-ga-ie, thunderbird-locale-kk, thunderbird-locale-uk, thunderbird-locale-fi, thunderbird-locale-hu, thunderbird-locale-ta, thunderbird-locale-nl, thunderbird-locale-da, thunderbird-locale-uz, thunderbird-locale-pt-pt, xul-ext-calendar-timezones, thunderbird-locale-hsb, thunderbird-locale-fy-nl, xul-ext-lightning, thunderbird-locale-gd, thunderbird-locale-sk, thunderbird-mozsymbols, thunderbird-locale-bg, thunderbird-locale-pa-in, thunderbird-locale-en-us, thunderbird-locale-is, thunderbird-locale-it, thunderbird-locale-ko, thunderbird-locale-sr, thunderbird-locale-ja, thunderbird-locale-ast, thunderbird-locale-mk, thunderbird-locale-hr, thunderbird-locale-ms, thunderbird, thunderbird-locale-en-gb, thunderbird-locale-th, thunderbird-locale-id, thunderbird-locale-vi, thunderbird-locale-zh-hant, thunderbird-locale-eu, thunderbird-locale-sq, thunderbird-locale-de, thunderbird-locale-fy, thunderbird-locale-nn, thunderbird-locale-et, thunderbird-locale-hy, thunderbird-locale-zh-cn, thunderbird-locale-ta-lk, thunderbird-locale-nb, thunderbird-locale-sv, thunderbird-locale-fr, thunderbird-locale-ar, thunderbird-locale-zh-hans, xul-ext-gdata-provider, thunderbird-locale-sl, thunderbird-locale-tr, thunderbird-locale-af, thunderbird-locale-rm, thunderbird-locale-br, thunderbird-locale-zh-tw, thunderbird-locale-nb-no, thunderbird-locale-es, thunderbird-locale-es-es, thunderbird-locale-si, thunderbird-locale-be, thunderbird-locale-bn, thunderbird-locale-ru, thunderbird-locale-pa, thunderbird-locale-lt, thunderbird-locale-ca, thunderbird-locale-ga, thunderbird-locale-pt, thunderbird-locale-cy, thunderbird-locale-ro, thunderbird-locale-en, thunderbird-locale-he, thunderbird-locale-kab, thunderbird-locale-es-ar, thunderbird-locale-ka, thunderbird-locale-el, thunderbird-locale-nn-no, thunderbird-dev, thunderbird-locale-cs