Out-of-bounds Read in Adobe Acrobat
CVE-2021-39858
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Vulnerability class: Buffer Overflow
EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- psirt@adobe.com (x_refsource_MISC, Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39858?
- CVE-2021-39858 is a low-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2021-09-29.
- How severe is CVE-2021-39858?
- Low severity. CVSS v3 base score is 3.3 out of 10.