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Vulnerability record · CVE-2021-40764 · published 16 March 2022

CVE-2021-40764: Adobe character animator memory buffer overflow vulnerability

Adobe · Character Animator

Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a M4A file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

7.8 CVSS 3.1 High EPSS 1.7% · top 24.4% CWE-788 · CWE-788CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 9.3
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a M4A file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://helpx.adobe.com/security/products/character_animator/apsb21-95.html Vendor Advisory
https://helpx.adobe.com/security/products/character_animator/apsb21-95.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2022-34241Adobe character animator heap-based buffer overflow vulnerabilityAdobe Character Animator version 4.4.7 (and earlier) and 22.4 (and earlier) are affected by a Heap-based Buffer Overflow vulnerability that could res…EPSS 0.48%7.8CVE-2022-34242Adobe character animator out-of-bounds read vulnerabilityAdobe Character Animator version 4.4.7 (and earlier) and 22.4 (and earlier) are affected by an out-of-bounds read vulnerability when parsing a crafte…EPSS 0.40%7.8CVE-2022-28819Adobe character animator out-of-bounds write vulnerabilityAdobe Character Animator versions 4.4.2 (and earlier) and 22.3 (and earlier) are affected by an out-of-bounds write vulnerability that could result i…EPSS 2.7%7.8CVE-2021-40763Adobe character animator memory buffer overflow vulnerabilityAdobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a WAF file, potentially resulting in…EPSS 1.7%7.8CVE-2021-40765Adobe character animator memory buffer overflow vulnerabilityAdobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a M4A file, potentially resulting in…EPSS 1.7%7.8CVE-2021-36000Adobe character animator out-of-bounds write vulnerabilityAdobe Character Animator version 4.2 (and earlier) is affected by a memory corruption vulnerability when parsing a specially crafted file. An unauthe…EPSS 2.3%7.8CVE-2020-9586Adobe character animator classic buffer overflow vulnerabilityAdobe Character Animator versions 3.2 and earlier have a buffer overflow vulnerability. Successful exploitation could lead to arbitrary code executio…EPSS 7.6%7.8CVE-2019-7870Adobe character animator uncontrolled search path element vulnerabilityAdobe Character Animator versions 2.1 and earlier have an insecure library loading (dll hijacking) vulnerability. Successful exploitation could lead …EPSS 3.8%

Source: NIST National Vulnerability Database (record CVE-2021-40764), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.