macOS CoreText out-of-bounds read can disclose information
CVE-2026-112656 is scored CVSS 3.3 and requires opening a malicious page or file.
Out-of-bounds read in Apple CoreText font processing
An out-of-bounds read in Apple CoreText (GDEF LigCaretList) can disclose process memory when a maliciously crafted font is processed. Anyone who can get the system to open that font can trigger it; no further privileges are described. It affects Apple devices running iOS, iPadOS, macOS, tvOS, visionOS, and watchOS before the listed fixes.
What to do: Update to iOS/iPadOS 26.7.2 or 27.2, macOS Golden Gate 27.2, Sequoia 15.8.2, Tahoe 26.7.2, and tvOS, visionOS, and watchOS 27.2.
| Product | Affected | Fixed in |
|---|---|---|
| Apple iOS | — | 26.7.2, 27.2 |
| Apple iPadOS | — | 26.7.2, 27.2 |
| Apple macOS Golden Gate | — | 27.2 |
| Apple macOS Sequoia | — | 15.8.2 |
| Apple macOS Tahoe | — | 26.7.2 |
| Apple tvOS | — | 27.2 |
| Apple visionOS | — | 27.2 |
| Apple watchOS | — | 27.2 |
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted font may result in the disclosure of process memory.
CVE-2026-112656 is scored CVSS 3.3 and requires opening a malicious page or file.
Today 37 readers · 37 views · 29 reads · all time 158K views