CVE-2009-0153
International Components for Unicode (ICU) 4.0, 3.6, and other 3.x versions, as used in Apple Mac OS X 10.5 before 10.5.7, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Fedora 9 and 10, and possibly other operating systems, does not properly handle invalid byte sequences during Unicode conversion, which might allow remote attackers to conduct cross-site scripting (XSS) attacks.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-79
- EPSS score
- 3.7% (90th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0162)
- Published
- May 13, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0162 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x
- apple / mac os x server
- apple / mac os x server
- apple / mac os x server
- apple / mac os x server
- apple / mac os x server
- apple / mac os x server
- apple / mac os x server
References
- http://bugs.icu-project.org/trac/ticket/5691
- http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html(Patch, Vendor Advisory)
- http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
- http://secunia.com/advisories/35074
- http://secunia.com/advisories/35379
- http://secunia.com/advisories/35436
- http://secunia.com/advisories/35498
- http://secunia.com/advisories/35584
- http://support.apple.com/kb/HT3549(Patch, Vendor Advisory)
- http://support.apple.com/kb/HT3613
- http://support.apple.com/kb/HT3639
- http://www.redhat.com/support/errata/RHSA-2009-1122.html
- http://www.securityfocus.com/bid/34926
- http://www.securityfocus.com/bid/34974
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2009/1297
- http://www.vupen.com/english/advisories/2009/1522
- http://www.vupen.com/english/advisories/2009/1621
- https://bugzilla.redhat.com/show_bug.cgi?id=503071
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50488
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11366
- https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00336.html
- https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00478.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain