CVE Vulnerabilities

CVE-2021-21057

NULL Pointer Dereference

Published: Feb 11, 2021 | Modified: Nov 21, 2024
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
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Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
AcrobatAdobe17.0 (including)17.011.30188 (including)
AcrobatAdobe20.0 (including)20.001.30018 (including)
Acrobat_dcAdobe*20.013.20074 (including)
Acrobat_readerAdobe17.0 (including)17.011.30188 (including)
Acrobat_readerAdobe20.0 (including)20.001.300183 (including)
Acrobat_reader_dcAdobe*20.013.20074 (including)

Potential Mitigations

References