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High severity7.8NVD Advisory· Published Oct 15, 2021· Updated Jun 17, 2026

CVE-2021-40731

CVE-2021-40731

Description

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

6
  • Adobe Inc./Acrobat4 versions
    cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*+ 3 more
    • cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*range: >=20.001.30005,<=20.004.30015
    • cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=21.007.20095
    • cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*range: >=20.001.30005,<=20.004.30015
    • (no CPE)range: unspecified
  • Adobe Inc./Acrobat Reader Dc2 versions
    cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*+ 1 more
    • cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=21.007.20095
    • (no CPE)range: <=21.007.20095, <=21.007.20096, <=20.004.30015, <=17.011.30202

Patches

Vulnerability mechanics

References

1

News mentions

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