Disclosed Chromium Security Bugs

libcoap:persist_fuzzer: Heap-buffer-overflow in coap_persist_startup_lkd

#511948388•Reporter: 87...@developer.gserviceaccount.com
$0
5/12/2026

mruby:mruby_fuzzer: Global-buffer-overflow in fixed_width

#506737070•Reporter: 87...@developer.gserviceaccount.com
$0
5/12/2026

WebNN API accessible from cross-origin iframes without Permissions Policy gate.

#502083483•Reporter: x4...@gmail.com
$0
5/12/2026

V8 sandbox violation in v8::internal::IrregexpInterpreter::Result v8::internal::RawMatch

#479937571•Reporter: 24...@project.gserviceaccount.com
$0
5/12/2026

Regression 440523110: User Activation Bypass via showOpenFilePicker and contextmenu delay

#474583539•Reporter: az...@gmail.com
$3,000
5/12/2026

Service Worker subresource responses expose detailed resource timing information for cross-origin resources that are normally restricted, leading to an information leak in the Resource Timing API

#477180001•Reporter: po...@gmail.com
$2,000
5/12/2026

V8 Sandbox Bypass: Use-After-Free in ICU NumberFormatter

#472139305•Reporter: vs...@gmail.com
$5,000
5/12/2026

[--maglev-assert-types, BigInt handling] Trap in Builtins_CheckMaglevType

#479881588•Reporter: 24...@project.gserviceaccount.com
$0
5/12/2026

md4c:fuzz-mdhtml: Heap-buffer-overflow in md_parse

#511825301•Reporter: 87...@developer.gserviceaccount.com
$0
5/11/2026

md4c:fuzz-mdhtml: Stack-use-after-scope in enter_block_callback

#511831392•Reporter: 87...@developer.gserviceaccount.com
$0
5/11/2026
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