Heap-based Buffer Overflow in Adobe Flash Player
CVE-2015-3113 is a heap-based buffer overflow vulnerability in Adobe Flash Player affecting versions 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. The flaw allows memory corruption in the Flash Player process via a crafted Flash object or other unspecified malicious content, leading to out-of-bounds heap writes/overflow conditions. Adobe reported the issue as being exploited in the wild in June 2015. The provided context also associates this vulnerability with APT3 activity and exploit-kit usage, including Hunter exploit kit campaigns.
Are you exposed to this one?
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An Adobe Flash zero-day vulnerability disclosed in June 2015 and used by the Hunter exploit kit.
An Adobe Flash Player vulnerability exploited for code execution.
An Adobe Flash Player client-side vulnerability exploited by APT3 for client execution (initial compromise).
An Adobe Flash Player vulnerability used for code execution.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.