Buffer overflow in Adobe Acrobat

CVE-2021-21046

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (75.1th 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:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-21046?
CVE-2021-21046 is a low-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Write. CVSS score: 3.3/10. Published 2021-02-11.
How severe is CVE-2021-21046?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2021-21046 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.