Buffer overflow in Adobe Acrobat

CVE-2021-44709

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a heap overflow vulnerability due to insecure handling of a crafted file, potentially resulting 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.

Vulnerability class: Buffer Overflow

EPSS: 0.300 (98.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-44709?
CVE-2021-44709 is a high-severity vulnerability in Adobe Acrobat, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2022-01-14.
How severe is CVE-2021-44709?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-44709 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.