CVE intelligence and bounded remediation

CVE-2023-5855 — Google Chrome security vulnerability

High CVSS 8.8

Use after free in Reading Mode in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

Severity
High
CVSS
8.8 (3.1)
Published
2023-11-01
CISA KEV
Not currently listed
Ecosystem
browser
Weaknesses
CWE-416

Affected products

  • google / chrome
  • debian / debian_linux / 11.0
  • debian / debian_linux / 12.0
  • fedoraproject / fedora / 37
  • fedoraproject / fedora / 38
  • fedoraproject / fedora / 39

Matched remediation archetype

Use-after-free, double free, and expired resource use

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Trace ownership, references, callbacks, asynchronous tasks, and teardown paths around the affected object or resource.
  • Identify reachable inputs and timing or state transitions that can release the object while references remain.
  • Confirm affected builds, allocators, feature flags, architectures, and process privileges.

Remediate safely

  • Apply the maintained ownership or lifetime fix and rebuild all artifacts containing the affected native code.
  • Use explicit ownership, safe reference management, cancellation and join semantics, and idempotent teardown.
  • Add deterministic lifetime tests plus isolated sanitizer and concurrency coverage for shutdown and error paths.

Authoritative sources

Complete CVE record and remediation plan

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