[qt/qt/qtwebengine]: Summary of bulk changes made

Git repository change summary for qt/qt/qtwebengine
Pushed by mirror-service into branch '6.11'.
Changed from ebe5a3982d0b9282d6549bb41739f44e04a5f8e3 to bc68ebc02e76839f0348ffd6025aed3d0f55f258
Acknowledgement was received that this change introduces only existing code that has been pushed to another public open source repository.

This change contains the following new commits:

Git commit cf336cd237fda47c70de7773bdf25d44d1e9e3a2 by Qt Cherry-pick Bot (on behalf of Jerome Pasion) on 23/07/2026 at 02:19..
Doc: Add alternate text for Qt WebEngine images

Alternate text (alt text) improves the documentation experience for
screen readers and for other accessibility tools.

Task-number: QTBUG-135098
Change-Id: Ibb5866b8df238a4fba00f4c9159a72a796eb648b
Reviewed-by: David Boddie <[email protected]>
(cherry picked from commit 11b233991c2723bbf8b22fd7ffdd9fae9ebd8f01)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>
(cherry picked from commit bfd5702e74d96f388102d8fc58884a57b53e86bc)
https://invent.kde.org/qt/qt/qtwebengine/-/commit/cf336cd237fda47c70de7773bdf25d44d1e9e3a2

Git commit bc68ebc02e76839f0348ffd6025aed3d0f55f258 by Qt Cherry-pick Bot (on behalf of Michal Klocek) on 23/07/2026 at 07:42..
Update Chromium

Submodule src/3rdparty 478225eb..f5ab470c:
* [Backport] CVE-2026-15905: Use after free in Aura
* [Backport] CVE-2026-15903: Out of bounds read and write in V8
* [Backport] CVE-2026-15901: Use after free in Network
* [Backport] CVE-2026-15900: Use after free in GPU
* [Backport] CVE-2026-15899: Use after free in CameraCapture
* [Backport] CVE-2026-15778: Insufficient validation of untrusted input in Navigation
* [Backport] CVE-2026-15776: Type Confusion in V8
* [Backport] CVE-2026-15775: Insufficient policy enforcement in V8
* [Backport] CVE-2026-15774: Use after free in Skia
* [Backport] CVE-2026-15773: Use after free in Core
* [Backport] CVE-2026-15772: Use after free in GPU
* [Backport] CVE-2026-15771: Insufficient validation of untrusted input in Media
* [Backport] CVE-2026-15770: Uninitialized Use in V8
* [Backport] CVE-2026-15767: Heap buffer overflow in libyuv
* [Backport] CVE-2026-15132: Uninitialized Use in V8
* [Backport] CVE-2026-15127: Inappropriate implementation in WebGL
* [Backport] CVE-2026-15125, CVE-2026-15126, CVE-2026-15128: Inappropriate implementation / Use after free in Forms
* [Backport] Dependency for CVE-2026-15125, CVE-2026-15126, CVE-2026-15128 (3/3)
* [Backport] Dependency for CVE-2026-15125, CVE-2026-15126, CVE-2026-15128 (2/3)
* [Backport] Dependency for CVE-2026-15125, CVE-2026-15126, CVE-2026-15128 (1/3)
* [Backport] CVE-2026-15123: Insufficient data validation in DOM
* [Backport] CVE-2026-15121: Use after free in WebRTC
* [Backport] Dependency for CVE-2026-15121
* [Backport] CVE-2026-15119: Inappropriate implementation in GetUserMedia
* [Backport] CVE-2026-15118: Use after free in Input
* [Backport] CVE-2026-15114: Out of bounds read and write in Codecs
* [Backport] Dependency for CVE-2026-15114
* [Backport] CVE-2026-15109: Uninitialized Use in ANGLE

Change-Id: I5e50ece4450dcb5869dda8de52e38bc2fc892301
Reviewed-by: Kaloyan Chehlarski <[email protected]>
(cherry picked from commit b1197b761c26fe75c3da69fe48dfab2ec993af41)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>
(cherry picked from commit ad3b0ac785ee93a2e79e0cd12af47b007deef6cf)
https://invent.kde.org/qt/qt/qtwebengine/-/commit/bc68ebc02e76839f0348ffd6025aed3d0f55f258