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critical
CVE exact
CVE_2018_4990_JPX_CMAP_TRIGGER
What it means
PDF embeds the in-the-wild malformed JPEG2000 cmap construction used to trigger CVE-2018-4990.
Why it fires
The detector validates the known exploit's JP2 signature, exact jp2h/cmap and ihdr geometry, malformed box extent, and long 0xff overflow tail. It does not label generic JPX images or generic malformed JPEG2000 as CVE-2018-4990.
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_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 CVE_2009_0658