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critical
CVE likely
CVE_2018_4990_JPX_EMBEDDED_CMD
What it means
PDF embeds a malformed JPX/JPEG2000 image whose JP2 header area contains a command-execution/download payload.
Why it fires
CVE-2018-4990 is an Adobe Acrobat/Reader JPEG2000 parser memory-corruption vulnerability. The detector requires a /JPXDecode stream, malformed JP2 box structure, and a command/download payload embedded inside the JPEG2000 stream body. Plain JPEG2000 images, and malformed JPX images without an execution/download payload, remain covered only by related JPX anomaly rules.
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_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 CVE_2009_0658