CVE-2018-4990: Adobe Acrobat and Reader Double Free Vulnerability

CVE-2018-4990 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-06-08

Adobe Acrobat and Reader are affected by a double free vulnerability when processing specially crafted PDF content. Successful exploitation allows an attacker to execute arbitrary code in the context of the current user.

Technologies: Adobe Acrobat, Adobe AIR, Adobe Flash Player, Adobe Reader. Vendors: Adobe.

Quick answers

Is CVE-2018-4990 exploited in the wild?
Yes. CVE-2018-4990 is known to be exploited in the wild, first recorded on 8 June 2022. Treat it as urgent.
How severe is CVE-2018-4990?
Critical severity, with a CVSS score of 8.8, published 8 June 2022.
Which products and versions are affected?
Adobe Acrobat DC / Acrobat Reader DC (Continuous) 2018.011.20038 and earlier; Adobe Acrobat 2017 / Acrobat Reader 2017 (Classic) 2017.011.30079 and earlier; Adobe Acrobat DC / Acrobat Reader DC (Classic) 2015.006.30417 and earlier.
Is there a fix for CVE-2018-4990?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2018-4990 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2018-4990?
Check whether you run Adobe Acrobat, Adobe AIR, Adobe Flash Player or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Adobe Acrobat DC / Acrobat Reader DC (Continuous) 2018.011.20038 and earlier
  • Adobe Acrobat 2017 / Acrobat Reader 2017 (Classic) 2017.011.30079 and earlier
  • Adobe Acrobat DC / Acrobat Reader DC (Classic) 2015.006.30417 and earlier

Timeline

  • 2018-05-14: disclosed: Vendor advisory published by Adobe (APSB18-09)
  • 2022-06-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-06-08: exploited: Confirmed as exploited in the wild per CISA KEV catalog entry.

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.