CVE-2009-0927
Adobe Reader and Adobe Acrobat Stack-Based Buffer Overflow Vulnerability
Adobe Reader and Acrobat
Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object, a different vulnerability than CVE-2009-0658.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 25 March 2022. US federal agencies were required to remediate it by 15 April 2022.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 96.6%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2009-0927 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2009-0927.
What does CVE-2009-0927 affect?
CVE-2009-0927 affects Adobe Reader and Acrobat. Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object, a different vulnerability than CVE-2009-0658.
How severe is CVE-2009-0927?
CVE-2009-0927 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 96.6%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 15 April 2022.
How should organisations respond to CVE-2009-0927?
Apply the vendor patch for Adobe Reader and Acrobat as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.