VulnerabilityAnalyzed
CVE-2016-7855
Adobe Flash Player Use-After-Free Vulnerability
KEVHIGH 8.8EPSS 25.2%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 25.20% probability · 98th percentile
- CISA KEV
- Listed 3 March 2022 · due 24 March 2022
- Weakness
- CWE-416
- Affected
- adobe/flash player · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
- Source
- psirt@adobe.com
CISA notes
The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2016-7855
References
- http://rhn.redhat.com/errata/RHSA-2016-2119.htmlThird Party Advisory
- http://www.securityfocus.com/bid/93861Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037111Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128Patch, Vendor Advisory
- https://helpx.adobe.com/security/products/flash-player/apsb16-36.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201610-10Third Party Advisory
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2119.htmlThird Party Advisory
- http://www.securityfocus.com/bid/93861Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037111Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128Patch, Vendor Advisory
- https://helpx.adobe.com/security/products/flash-player/apsb16-36.htmlPatch, Vendor Advisory
- https://security.gentoo.org/glsa/201610-10Third Party Advisory
- https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.htmlThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.