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CVE-2009-0153

17
FAUCET Score

CVE-2009-0153 describes a cross-site scripting (XSS) vulnerability in International Components for Unicode (ICU) versions 4.0 and 3.x, impacting Apple Mac OS X and iPhone OS. The vulnerability arises from improper handling of invalid byte sequences during Unicode conversion. With a CVSS score of 4.3, this medium-severity flaw could allow remote attackers to inject malicious scripts, requiring medium attack complexity and resulting in partial integrity impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
10.5.0CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.0:*:*:*:*:*:*:*
10.5.1CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.1:*:*:*:*:*:*:*
10.5.2CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.2:*:*:*:*:*:*:*
10.5.3CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.3:*:*:*:*:*:*:*
10.5.4CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.68%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0368 is in the 84th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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)

applepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: icu-0:3.6-5.11.4
View patch

Vendor Advisories (1)

redhatCVE-2009-0153Moderate

icu: XSS vulnerability due to improper invalid byte sequence handling

Apr 17, 2007

References

bugs.icu-project.org / trac/ticket/5691
lists.apple.com / archives/security-announce/2009/jun/msg00002.html
lists.apple.com / archives/security-announce/2009/Jun/msg00005.html
lists.apple.com / archives/security-announce/2009/May/msg00002.html
PatchVendor Advisory
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/35074
secunia.com / advisories/35379
secunia.com / advisories/35436
secunia.com / advisories/35498
secunia.com / advisories/35584
exchange.xforce.ibmcloud.com / vulnerabilities/50488
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11366
support.apple.com / kb/HT3549
PatchVendor Advisory
support.apple.com / kb/HT3613
support.apple.com / kb/HT3639
redhat.com / archives/fedora-package-announce/2009-June/msg00336.html
redhat.com / archives/fedora-package-announce/2009-June/msg00478.html
redhat.com / support/errata/RHSA-2009-1122.html
securityfocus.com / bid/34926
securityfocus.com / bid/34974
us-cert.gov / cas/techalerts/TA09-133A.html
US Government Resource
vupen.com / english/advisories/2009/1297
vupen.com / english/advisories/2009/1522
vupen.com / english/advisories/2009/1621