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CVE-2023-4863

Out-of-bounds Write — is CVE-2023-4863real, exploitable, or a false positive? Here's the community ground truth.

High · CVSS 8.8EPSS 99.7%CISA KEVCWE-787 · Out-of-bounds Write

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

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Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: High (High 3) — CVSS base score 8.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Priya NairCurated

    Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2023-09-13). Treat as real and prioritize patching over triage.

Same weaknessCWE-787 · Out-of-bounds Write.