What is CVE-2008-3529?

CVE-2008-3529 is a vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2008-09-12.

Is CVE-2008-3529 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apple Iphone OS

CVE-2008-3529

Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a long XML entity name.

Vulnerability class: Buffer Overflow

Published 2008-09-12 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.234 (97.7th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.234 · newest: 0.234 · change: 0.000

Affected products

Apple Iphone OS
Apple Mac OS X — versions 10.5.7
Apple Safari
Xmlsoft Libxml2
Canonical Ubuntu Linux — versions 6.06, 7.04, 7.10
Debian Linux — versions 4.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.ubuntu.com/usn/USN-815-1 (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/644-1/ (vendor-advisory, Third Party Advisory)
support.avaya.com/elmodocs2/security/ASA-2008-400.htm (Third Party Advisory)
support.apple.com/kb/HT3639 (Third Party Advisory)
secunia.com/advisories/31860 (Third Party Advisory, third-party-advisory)
sunsolve.sun.com/search/document.do (Broken Link)
secunia.com/advisories/32280 (Third Party Advisory, third-party-advisory)
secunia.com/advisories/31855 (Third Party Advisory, third-party-advisory)
www.vupen.com/english/advisories/2009/1621 (Third Party Advisory, vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/45085 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2008-3529?: CVE-2008-3529 is a vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2008-09-12.
Is CVE-2008-3529 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.