Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.
Published 2016-11-01 22:59:00
Updated 2019-05-16 17:14:51
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2016-7855

CVE-2016-7855 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Adobe Flash Player Use-After-Free Vulnerability
CISA required action:
The impacted product is end-of-life and should be disconnected if still in use.
CISA description:
Use-after-free vulnerability in Adobe Flash Player Windows and OS and Linux allows remote attackers to execute arbitrary code.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2016-7855
Added on 2022-03-03 Action due date 2022-03-24

Exploit prediction scoring system (EPSS) score for CVE-2016-7855

11.87%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-7855

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
NIST
8.8
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2016-7855

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-7855

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