CVE-2021-39842: high-severity vulnerability in Adobe Acrobat Reader
Adobe Acrobat Reader DC messageHandler.OnMessage Use-After-Free Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
26Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 17%
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Adobe · Acrobat ReaderRelated CVEs — Adobe Acrobat Reader
In the same product, most dangerous first.
CVE-2021-21017HIGHAcrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code ExecutionEPSS 86.3%KEVCVE-2023-21608HIGHAdobe Acrobat Reader DC resetForm Use-After-Free Remote Code Execution VulnerabilityEPSS 59.4%KEVCVE-2021-28550CRITICALAdobe Acrobat Reader use after free vulnerability could lead to arbitrary code executionEPSS 52.1%KEVCVE-2023-26369HIGH[Google Project Zero] Adobe Acrobat DC OOBW 0-day actively exploited in the wildEPSS 7.5%KEVCVE-2021-39843HIGHAdobe Acrobat Reader XObject Out-of-Bound Write VulnerabilityEPSS 76.7%CVE-2021-39836HIGHAdobe Acrobat Reader DC AcroForm buttonGetIcon Use-After-Free Remote Code Execution VulnerabilityEPSS 69.5%