CVE-2023-28204
Confirmed PUBLISHEDAn out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been actively exploited.
- CVE Published
- Jun 23, 2023
- Exploitation Reported
- May 22, 2023
- CVSS
- 6.5 Medium
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Apple |
macOS
|
unspecified to < 13.4 |
Affected |
| Apple |
Safari
|
unspecified to < 16.5 |
Affected |
| Apple |
watchOS
|
unspecified to < 9.5 |
Affected |
| Apple |
iOS and iPadOS
|
unspecified to < 15.7 |
Affected |
| Apple |
iOS and iPadOS
|
unspecified to < 16.5 |
Affected |
| Apple |
tvOS
|
unspecified to < 16.5 |
Affected |
CVE References
- support.apple.com/en-us/HT213758 support.apple.com · CVE Record https://support.apple.com/en-us/HT213758
- support.apple.com/en-us/HT213762 support.apple.com · CVE Record https://support.apple.com/en-us/HT213762
- support.apple.com/en-us/HT213764 support.apple.com · CVE Record https://support.apple.com/en-us/HT213764
- support.apple.com/en-us/HT213765 support.apple.com · CVE Record https://support.apple.com/en-us/HT213765
- support.apple.com/en-us/HT213757 support.apple.com · CVE Record https://support.apple.com/en-us/HT213757
Show 2 more references
- support.apple.com/en-us/HT213761 support.apple.com · CVE Record https://support.apple.com/en-us/HT213761
- security.gentoo.org/glsa/202401-04 security.gentoo.org · CVE Record https://security.gentoo.org/glsa/202401-04
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2023-05-22 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitation Status
Exploited in the wild
Recorded 2023-05-22 00:00:00 UTC · CISA
Weaknesses (CWE)
-
Out-of-bounds Read
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nessus | https://www.tenable.com/plugins/nessus/236076 | Jun 02, 2025 |
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
09:26 UTC about 1 year ago09:26 UTC · about 1 year ago
Nessus plugin available
Scanner coverage available
-
00:00 UTC about 3 years ago00:00 UTC · about 3 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC about 3 years ago00:00 UTC · about 3 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
00:00 UTC over 3 years ago00:00 UTC · over 3 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-28204
{
"cve_id": "CVE-2023-28204",
"title": "An out-of-bounds read was addressed with improved input validation. This issu...",
"affected_vendor": "Apple",
"affected_product": "macOS, Safari, watchOS, iOS and iPadOS, tvOS",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 6.5,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}