SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2015-3113

Adobe Flash Player Heap-Based Buffer Overflow Vulnerability

KEVEXPLOIT ✓CRITICAL 9.8EPSS 99.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 4 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Heap-based buffer overflow in Adobe Flash Player before 13.0.0.296 and 14.x through 18.x before 18.0.0.194 on Windows and OS X and before 11.2.202.468 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in June 2015.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99.81% probability · 100th percentile
Public exploits
1 in Exploit-DB · verified · first 8 July 2015
CISA KEV
Listed 13 April 2022 · due 4 May 2022
Weakness
CWE-787, CWE-122
Affected
adobe/flash player · opensuse/evergreen · opensuse/opensuse · suse/linux enterprise desktop · suse/linux enterprise workstation extension · hp/insight orchestration · hp/system management homepage · hp/systems insight manager · hp/version control agent · hp/version control repository manager · hp/virtual connect enterprise manager · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux workstation
Source
psirt@adobe.com
EPSS trend
0%50%100%30 October 2026: 99.81%30 October 202630 October 2026

EPSS 99.8% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

The impacted product is end-of-life and should be disconnected if still in use. https://nvd.nist.gov/vuln/detail/CVE-2015-3113

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-37536source ↗Adobe Flash Player - Nellymoser Audio Decoding Buffer Overflow (Metasploit)multiple · Metasploitremote8 July 2015yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.