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CVE-2024-20733: [ZS-VR-23-360] Adobe Acrobat Reader Parsing OTF font Denial-of-Service Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-15 · updated 2026-06-17
• Weakness: CWE-20

Description

Acrobat Reader versions 20.005.30539, 23.008.20470 and earlier are affected by an Improper Input Validation vulnerability that could lead to an application denial-of-service. An attacker could leverage this vulnerability to cause the application to crash, resulting in a denial of service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Acrobat for Edge: from 20.001.30005 before 20.005.30574 — fixed in 20.005.30574
• Adobe Acrobat DC: from 15.008.20082 before 23.008.20533 — fixed in 23.008.20533
• Adobe Acrobat Reader: from 20.001.30005 before 20.005.30574 — fixed in 20.005.30574
• Adobe Acrobat Reader: from 15.008.20082 before 23.008.20533 — fixed in 23.008.20533

How to fix

Upgrade to a fixed version: Adobe Acrobat for Edge 20.005.30574; Adobe Acrobat DC 23.008.20533; Adobe Acrobat Reader 20.005.30574; Adobe Acrobat Reader 23.008.20533. Check the vendor advisory for mitigations.

References

• https://helpx.adobe.com/security/products/acrobat/apsb24-07.html
• https://helpx.adobe.com/security/products/acrobat/apsb24-07.html

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