CVE-2025-31257

Summary

CVE	CVE-2025-31257
State	PUBLISHED
Assigner	apple
Source Priority	CVE Program / NVD first with legacy fallback
Published	2025-05-12 22:15:25 UTC
Updated	2026-05-12 13:16:40 UTC
Description	This issue was addressed with improved memory handling. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Risk And Classification

Primary CVSS: v3.1 4.7 MEDIUM from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L

EPSS: 0.007990000 probability, percentile 0.741390000 (date 2026-05-12)

Problem Types: CWE-119 | Processing maliciously crafted web content may lead to an unexpected Safari crash | CWE-119 CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Version	Source	Type	Score	Severity	Vector
3.1	ADP	DECLARED	4.7	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L`
3.1	134c704f-9b21-4f2e-91b3-4a467353bcc0	Secondary	4.7	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L`

CVSS v3.1 Breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

None

Availability

Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Apple	Ipados	All	All	All	All
Operating System	Apple	Iphone Os	All	All	All	All
Operating System	Apple	Macos	All	All	All	All
Application	Apple	Safari	All	All	All	All
Operating System	Apple	Tvos	All	All	All	All
Operating System	Apple	Visionos	All	All	All	All
Operating System	Apple	Watchos	All	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Apple	Safari	affected 18.5 custom	Not specified
CNA	Apple	IOS And IPadOS	affected 18.5 custom	Not specified
CNA	Apple	MacOS	affected 15.5 custom	Not specified
CNA	Apple	TvOS	affected 18.5 custom	Not specified
CNA	Apple	VisionOS	affected 2.5 custom	Not specified
CNA	Apple	WatchOS	affected 11.5 custom	Not specified
ADP	Siemens	SIMATIC CN 4100	affected V5.0 custom	Not specified

References

Reference	Source	Link	Tags
seclists.org/fulldisclosure/2025/May/7	af854a3a-2127-422b-91ae-364da2661108	seclists.org
lists.debian.org/debian-lts-announce/2025/06/msg00016.html	af854a3a-2127-422b-91ae-364da2661108	lists.debian.org
support.apple.com/en-us/122722	[email protected]	support.apple.com	Release Notes, Vendor Advisory
support.apple.com/en-us/122404	[email protected]	support.apple.com	Release Notes, Vendor Advisory
support.apple.com/en-us/122720	[email protected]	support.apple.com	Release Notes, Vendor Advisory
seclists.org/fulldisclosure/2025/May/5	af854a3a-2127-422b-91ae-364da2661108	seclists.org
seclists.org/fulldisclosure/2025/May/11	af854a3a-2127-422b-91ae-364da2661108	seclists.org
cert-portal.siemens.com/productcert/html/ssa-032379.html	0b142b55-0307-4c5a-b3c9-f314f3fb7c5e	cert-portal.siemens.com
seclists.org/fulldisclosure/2025/May/13	af854a3a-2127-422b-91ae-364da2661108	seclists.org
support.apple.com/en-us/122716	[email protected]	support.apple.com	Release Notes, Vendor Advisory
support.apple.com/en-us/122721	[email protected]	support.apple.com	Release Notes, Vendor Advisory
seclists.org/fulldisclosure/2025/May/12	af854a3a-2127-422b-91ae-364da2661108	seclists.org
support.apple.com/en-us/122719	[email protected]	support.apple.com	Release Notes, Vendor Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.