CVE-2021-40766
CVE-2021-40766 is a low-severity vulnerability in Adobe Character Animator with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Low (CVSS 3.x base score 3.3)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Adobe Character Animator
- Published:
- Last modified:
Description
Adobe Character Animator version 4.4 (and earlier versions) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Frequently asked questions
- What is CVE-2021-40766?
- Adobe Character Animator version 4.4 (and earlier versions) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- How severe is CVE-2021-40766?
- CVE-2021-40766 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-40766 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40766?
- CVE-2021-40766 affects Adobe Character Animator. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40766?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-40766 published?
- CVE-2021-40766 was published on 2022-03-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:adobe:character_animator:*:*:*:*:*:*:*:*
More vulnerabilities in Adobe Character Animator
- CVE-2022-34242 — High (CVSS 7.8): Adobe Character Animator version 4.4.7 (and earlier) and 22.4 (and earlier) are affected by an out-of-bounds read…
- CVE-2022-34241 — High (CVSS 7.8): Adobe Character Animator version 4.4.7 (and earlier) and 22.4 (and earlier) are affected by a Heap-based Buffer…
- CVE-2022-28819 — High (CVSS 7.8): Adobe Character Animator versions 4.4.2 (and earlier) and 22.3 (and earlier) are affected by an out-of-bounds write…
- CVE-2021-40765 — High (CVSS 7.8): Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a M4A…
- CVE-2021-40764 — High (CVSS 7.8): Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a M4A…
- CVE-2021-40763 — High (CVSS 7.8): Adobe Character Animator version 4.4 (and earlier) is affected by a memory corruption vulnerability when parsing a WAF…
All CVEs affecting Adobe Character Animator →
Other CWE-125 (Out-of-bounds Read) vulnerabilities
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- CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
- CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
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- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…