PatchTheCVECVE-2018-4934: Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability
CVE-2018-4934 is a medium-severity flaw (CVSS 6.5) affecting flash player desktop runtime, flash player, flash player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
Why this priority
- EPSS top 3%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 19.7% (top 3%) |
| CISA exploited list | No |
| Weakness | CWE-125 |
| Published | 2018-05-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: Adobe Flash - Info Leak in Image Inflation
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-4934?
flash player desktop runtime: upgrade to newer than 29.0.0.113; flash player: upgrade to newer than 29.0.0.113; flash player: upgrade to newer than 29.0.0.113. Exact commands for each OS are on this page.
Is CVE-2018-4934 being exploited?
CVE-2018-4934 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-4934 affect?
CVE-2018-4934 affects flash player desktop runtime, flash player, flash player. Severity is medium (CVSS 6.5). Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
How urgent is CVE-2018-4934?
Priority 52/100. EPSS top 3%: very likely to be exploited; Public exploit reference
Software pages
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