HOMEVULNERABILITIESCVE-2008-2303
CRITICALPOC

CVE-2008-2303

CWE-189Published: July 14, 2008· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Integer signedness error in Safari on Apple iPhone before 2.0 and iPod touch before 2.0 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving JavaScript array indices that trigger an out-of-bounds access, a different vulnerability than CVE-2008-2307.

NVD Source

Technical Analysis

CVE-2008-2303 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-2303. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Apple4 product(s)
iphoneipod touchiphone ossafari
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

All References (16)

Quick Facts

CVE IDCVE-2008-2303
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-189
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJul 14, 2008

Related CVEs (CWE-189)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2008-2303 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.