CVE-2021-21042: Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read…

PriorityP341medium6.5CVSS 3.1

AVNACLPRNUIRSUCHINAN

EPSS

14.70%

96.3th percentile

Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
adobe	acrobat	17.0 – 17.011.30188	—
adobe	acrobat	20.0 – 20.001.30018	—
adobe	acrobat_dc	<= 20.013.20074	—
adobe	acrobat_reader	17.0 – 17.011.30188	—
adobe	acrobat_reader	20.0 – 20.001.300183	—
adobe	acrobat_reader	unspecified – 2020.013.20074	—
adobe	acrobat_reader_dc	<= 20.013.20074	—

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

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