Medium severity5.5NVD Advisory· Published Sep 29, 2021· Updated Jun 17, 2026
CVE-2021-39854
CVE-2021-39854
Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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
6cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*+ 3 more
- cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*range: >=17.011.30059,<=17.011.30199
- cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=21.005.20060
- cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*range: >=17.011.30059,<=17.011.30199
- (no CPE)range: unspecified
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*+ 1 more
- cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=21.005.20060
- (no CPE)range: <=2021.005.20060, <=2020.004.30006, <=2017.011.30199
Patches
Vulnerability mechanics
References
1- helpx.adobe.com/security/products/acrobat/apsb21-55.htmlnvdRelease NotesVendor Advisory
News mentions
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