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CVE-2009-3729

15
FAUCET Score

CVE-2009-3729 is an unspecified denial-of-service vulnerability affecting Sun Java SE 5.0 before Update 22 and 6 before Update 17, specifically within its TrueType font parsing functionality. An unauthenticated remote attacker can exploit this by providing a specially crafted test suite, leading to an application crash. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, though its impact is limited to availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:*:update_21:*:*:*:*:*:*
<= 1.6.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:*:update_16:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.5.0:update_1:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.5.0:update_11:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:sun:jre:1.5.0:update_12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.54%
Probability of exploitation in next 30 days
EPSS Percentile
83.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0254 is in the 75th percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Extras for RHEL 4Fixed in: java-1.6.0-sun-1:1.6.0.17-1jpp.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 5Fixed in: java-1.6.0-sun-1:1.6.0.17-1jpp.2.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-3729Moderate

JRE TrueType font parsing crash (6815780)

Nov 3, 2009

References

java.sun.com / j2se/1.5.0/ReleaseNotes.html
Vendor Advisory
java.sun.com / javase/6/webnotes/6u17.html
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/37386
security.gentoo.org / glsa/glsa-200911-02.xml
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7537