A memory corruption issue was addressed with improved state management.
A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Jul 27, 2026
- Updated
- Aug 17, 2026
- EPSS
- 0.5% · 38th percentile
- CWE
- CWE-119
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Report tools
Action score
35
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| apple | safari | cpe:2.3:a:apple:safari |
| apple | ipados | cpe:2.3:o:apple:ipados |
| apple | iphone os | cpe:2.3:o:apple:iphone_os |
| apple | macos | cpe:2.3:o:apple:macos |
| apple | visionos | cpe:2.3:o:apple:visionos |
| apple | watchos | cpe:2.3:o:apple:watchos |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apple ipadosbefore 26.6
- apple iphone osbefore 26.6
- apple macos26.0 and later · before 26.6
- apple safaribefore 26.6
- apple visionosbefore 26.6
- apple watchosbefore 26.6
Versions reported by the vendor
Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.
Apple iOS and iPadOS
- before 18.7.10affected
- before 26.6affected
Apple macOS
- before 26.6affected
Apple Safari
- before 26.6affected
Apple visionOS
- before 26.6affected
Apple watchOS
- before 26.6affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:9 | webkit2gtk3 | before 2.54.0-1.el9_8 | 2.54.0-1.el9_8 |
| AlmaLinux:9 | webkit2gtk3-devel | before 2.54.0-1.el9_8 | 2.54.0-1.el9_8 |
| AlmaLinux:9 | webkit2gtk3-jsc | before 2.54.0-1.el9_8 | 2.54.0-1.el9_8 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | before 2.54.0-1.el9_8 | 2.54.0-1.el9_8 |
| Debian:12 | webkit2gtk | all versions | — |
| Debian:12 | wpewebkit | all versions | — |
| Debian:13 | webkit2gtk | before 2.52.6-1~deb13u1 | 2.52.6-1~deb13u1 |
| Debian:14 | webkit2gtk | before 2.52.6-1 | 2.52.6-1 |
| Debian:14 | wpewebkit | before 2.52.6-1 | 2.52.6-1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | webkit2gtk3 | before 2.52.6-150400.4.149.2 | 2.52.6-150400.4.149.2 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | webkit2gtk3-soup2 | before 2.52.6-150400.4.149.2 | 2.52.6-150400.4.149.2 |
| SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | webkit2gtk4 | before 2.52.6-150400.4.149.2 | 2.52.6-150400.4.149.2 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | webkit2gtk3-soup2 | before 2.52.6-150600.12.74.1 | 2.52.6-150600.12.74.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | webkit2gtk4 | before 2.52.6-150600.12.74.1 | 2.52.6-150600.12.74.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP7 | webkit2gtk3 | before 2.52.6-150600.12.74.1 | 2.52.6-150600.12.74.1 |
Same product
apple: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-28205A use after free issue was addressed with improved memory management.KEV73This week
- CVE-2023-32439A type confusion issue was addressed with improved checks.KEV72This week
- CVE-2023-32435A memory corruption issue was addressed with improved state management.KEV72This week
- CVE-2025-24201An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions.KEV71This week
- CVE-2023-37450The issue was addressed with improved checks.KEV71This week
- CVE-2022-22620A use after free issue was addressed with improved memory management.KEV70This week
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| almalinux:webkit2gtk3 | 2.54.0-1.el9_8 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:webkit2gtk3-devel | 2.54.0-1.el9_8 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:webkit2gtk3-jsc | 2.54.0-1.el9_8 · AlmaLinux:9 | Package registry (OSV) |
| almalinux:webkit2gtk3-jsc-devel | 2.54.0-1.el9_8 · AlmaLinux:9 | Package registry (OSV) |
| debian:webkit2gtk | 2.52.6-1~deb13u1 · Debian:13 | Package registry (OSV) |
| debian:wpewebkit | 2.52.6-1 · Debian:14 | Package registry (OSV) |
| suse:webkit2gtk3 | 2.52.6-150400.4.149.2 · SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | Package registry (OSV) |
| suse:webkit2gtk3-soup2 | 2.52.6-150400.4.149.2 · SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | Package registry (OSV) |
| suse:webkit2gtk4 | 2.52.6-150400.4.149.2 · SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2025-31277363 days apartThe issue was addressed with improved memory handling.KEV65This week
- CVE-2025-43343315 days apartThe issue was addressed with improved memory handling.39Monitor
- CVE-2026-4379421 days apartA memory corruption issue was addressed with improved memory handling.35Monitor
- CVE-2025-43419266 days apartThe issue was addressed with improved memory handling.35Monitor
- CVE-2025-31273363 days apartThe issue was addressed with improved memory handling.35Monitor
- CVE-2025-31278363 days apartThe issue was addressed with improved memory handling.35Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- support.apple.com/en-us/128066
- support.apple.com/en-us/128067
- support.apple.com/en-us/128068
- support.apple.com/en-us/128070
- support.apple.com/en-us/128073
- support.apple.com/en-us/148287
Vendor advisories and official records. Exploit/PoC links are deliberately left out.