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5.5

CVE-2021-44713: Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event acti...

CVE-2021-44713 · published 4 years ago
Summary

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in application denial of service. Exploitation of this issue requires user intera...

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
adobe acrobat_dc >= 15.008.20082, <= 21.007.20099
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
adobe acrobat_reader_dc >= 15.008.20082, <= 21.007.20099
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
adobe acrobat >= 17.011.30059, <= 17.011.30204
>= 20.001.30005, <= 20.004.30017
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
adobe acrobat_reader >= 17.011.30059, <= 17.011.30204
>= 20.001.30005, <= 20.004.30017
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
Original advisory text
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event acti...
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in application denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.5 Medium
Exploitation
3% chance of attack within 30 days
Type
CWE-416Use After Free
Timeline
Published14 Jan 2022
Updated30 Oct 2026
First seen29 Sep 2026
Sources
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