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CVE-2020-9711: Acrobat Reader | Out-of-bounds Read (CWE-125)

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-23 · updated 2026-09-29
• Weakness: CWE-125

Description

Acrobat Reader versions 2020.009.20074, 2020.001.30002, 2017.011.30171, 2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products

• Adobe Acrobat DC: through 20.009.20074; from 15.000.0000 through 15.006.30523; from 17.009.20044 through 17.011.30171; 20.001.30002
• Adobe Acrobat Reader: 20.001.30002
• Adobe Acrobat Reader: through 20.009.20074; from 15.000.0000 through 15.006.30523; from 17.009.20044 through 17.011.30171

References

• https://helpx.adobe.com/security/products/acrobat/apsb20-48.html

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