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critical
CVE exact
CVE_2024_4367
What it means
PDF font dictionary contains non-numeric FontMatrix values.
Why it fires
CVE-2024-4367 is a high-severity vulnerability in Mozilla PDF.js (used in Firefox and Thunderbird) where a missing type check in FontFaceObject.getPathGenerator allows arbitrary JavaScript execution. The exploit replaces numeric values in the /FontMatrix array with JavaScript code that gets compiled during glyph rendering. Affects Firefox < 126 and Thunderbird < 115.11.
Other CVE heuristics
CVE_2026_34621_RELATED CVE_2023_26369 CVE_2026_34621 CVE_2010_1297_FLASH_RICHMEDIA CVE_2010_1297_SWF_TRIGGER CVE_2011_0611_SWF_TRIGGER CVE_2009_1862_FLASH_RICHMEDIA CVE_2010_2883 CVE_2018_4901 CVE_2009_3459 CVE_2018_4990_JPX_EMBEDDED_CMD CVE_2018_4990_JPX_CMAP_TRIGGER CVE_2010_1240 CVE_2010_0188 CVE_2014_0514 CVE_2013_3346 CVE_2013_0640 CVE_2010_3654_FLASH_RICHMEDIA CVE_2007_5020_MAILTO_MSHTA CVE_2014_0496 CVE_2008_2551 CVE_2021_40444 CVE_2006_4694 CVE_2008_0118