Out-of-bounds Read in Adobe Flash Player

CVE-2018-4871

An Out-of-bounds Read issue was discovered in Adobe Flash Player before 28.0.0.137. This vulnerability occurs because of computation that reads data that is past the end of the target buffer. The use of an invalid (out-of-range) pointer offset during access of internal data structure fields causes the vulnerability. A successful attack can lead to sensitive data exposure.

Vulnerability class: Buffer Overflow

EPSS: 0.055 (92.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-4871?
CVE-2018-4871 is a high-severity vulnerability in Adobe Flash Player, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-01-09.
How severe is CVE-2018-4871?
High severity. CVSS v3 base score is 7.5 out of 10.