CVE-2009-1862
HighExploitedPublic exploitflash-plugin: Remote code execution vulnerability via malicious SWF (Shockwave Flash) content
Published Jul 21, 2009 · Updated Oct 22, 2025
Key Facts
Patch immediately- CVE-2009-1862 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Acrobat (Adobe), Acrobat Reader (Adobe), Flash Player (Adobe) and 1 more product.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 23, 2009. Public exploit code is available.
- EPSS estimates a 21% probability of exploitation in the next 30 days.
- Fixed versions are available, including Acrobat 9.1.2, Acrobat Reader 9.1.2, Flash Player 9.0.159.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
21%
Higher than 97.5% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2009-1862 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 8, 2022 | Jun 22, 2022 | Not reported |
| Industry KEV feed | Jul 23, 2009 | Jun 22, 2022 | Not reported |
| CIRCL KEV | Jun 8, 2022 | Jun 22, 2022 | Not reported |
| ENISA EUVD | Jun 8, 2022 | n/a | Not reported |
Required action: For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AcrobatAdobe | See advisory | 9.1.2 |
| Acrobat ReaderAdobe | See advisory | 9.1.2 |
| Flash PlayerAdobe | See advisory | 9.0.159.0 |
| flash-pluginredhat | See advisory | 0:9.0.246.0-2.el3.with.oss |
Patched Releases
Acrobat
9.1.2
Acrobat Reader
9.1.2
Flash Player
9.0.159.0
flash-plugin
0:10.0.32.18-2.el5, 0:9.0.246.0-2.el3.with.oss, 0:9.0.246.0-2.el4
Timeline
Publicly disclosed
Jul 21, 2009
Added to Industry KEV feed
Jul 23, 2009
Added to CISA KEV
Jun 8, 2022
Added to CIRCL KEV
Jun 8, 2022
Added to ENISA EUVD
Jun 8, 2022
Last updated
Oct 22, 2025
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisoryhttp://blogs.adobe.com/psirt/2009/07/potential_adobe_reader_and_fla.html
- advisoryAPPLE-SA-2009-09-10-1
- advisoryAPPLE-SA-2009-09-10-2
- advisoryRHSA-2009:1188
- advisoryRHSA-2009:1189
FAQ
Common Questions.
Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf…
Affected: Acrobat (Adobe); Acrobat Reader (Adobe); Flash Player (Adobe), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jul 23, 2009.
Yes. It was added on Jun 8, 2022 with a federal remediation due date of Jun 22, 2022.
Public exploit code is available.
Fixed versions are available, including Acrobat 9.1.2, Acrobat Reader 9.1.2, Flash Player 9.0.159.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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