CVE-2025-31277
Confirmed PUBLISHEDThe issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6,...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.
- CVE Published
- Jul 29, 2025
- Exploitation Reported
- Jun 01, 2026
- CVSS
- 8.8 High
- EPSS
- 1.5%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Red Hat |
Red Hat Enterprise Linux 7 Extended Lifecycle Support
|
0:2.50.0-1.el7_9 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8
|
0:2.50.0-1.el8_10 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.2 Advanced Update Support
|
0:2.50.0-1.el8_2 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
|
0:2.50.0-1.el8_4 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
|
0:2.50.0-1.el8_4 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
|
0:2.50.0-1.el8_6 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.6 Telecommunications Update Service
|
0:2.50.0-1.el8_6 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
|
0:2.50.0-1.el8_6 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
|
0:2.50.0-1.el8_8.1 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
|
0:2.50.0-1.el8_8.1 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 9
|
0:2.50.1-0.el9_6 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
|
0:2.50.0-2.el9_0 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
|
0:2.50.0-2.el9_2 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 9.4 Extended Update Support
|
0:2.50.0-2.el9_4 to < * |
Unaffected |
| Red Hat |
Red Hat Enterprise Linux 7
|
All versions (default: unaffected) |
Unaffected |
| Apple |
Safari
|
0 to < 18.6 |
Affected |
| Apple |
iOS and iPadOS
|
0 to < 18.6 |
Affected |
| Apple |
macOS
|
0 to < 15.6 |
Affected |
| Apple |
tvOS
|
0 to < 18.6 |
Affected |
| Apple |
visionOS
|
0 to < 2.6 |
Affected |
| Apple |
watchOS
|
0 to < 11.6 |
Affected |
CVE References
- support.apple.com/en-us/124147 support.apple.com · CVE Record https://support.apple.com/en-us/124147
- support.apple.com/en-us/124149 support.apple.com · CVE Record https://support.apple.com/en-us/124149
- support.apple.com/en-us/124152 support.apple.com · CVE Record https://support.apple.com/en-us/124152
- support.apple.com/en-us/124153 support.apple.com · CVE Record https://support.apple.com/en-us/124153
- support.apple.com/en-us/124154 support.apple.com · CVE Record https://support.apple.com/en-us/124154
Show 1 more reference
- support.apple.com/en-us/124155 support.apple.com · CVE Record https://support.apple.com/en-us/124155
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- 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 | 2026-06-01 13:30 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:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2026-06-01 13:30:35 UTC · CISA
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
13:30 UTC about 2 months ago13:30 UTC · about 2 months ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
23:29 UTC 12 months ago23:29 UTC · 12 months ago
CVE published
Vulnerability disclosed publicly
-
16:13 UTC over 1 year ago16:13 UTC · over 1 year 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-2025-31277
{
"cve_id": "CVE-2025-31277",
"title": "The issue was addressed with improved memory handling. This issue is fixed in...",
"affected_vendor": "Apple",
"affected_product": "Safari, iOS and iPadOS, macOS, tvOS, visionOS, watchOS",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 8.8,
"epss_score": 0.01481,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}