CVE-2024-8636Network attack vector

Heap corruption via Skia buffer overflow

Published Sep 11, 2024 · Updated Sep 13, 2024

Heap buffer overflow in Skia in Google Chrome before 128.0.6613.137 allows remote attackers to corrupt heap memory via crafted HTML. Google has not disclosed the affected Skia routine or the specific operation that writes beyond the heap allocation. A user must load the page; public material does not establish whether exploitation produces a crash or code execution.

CVSS severity8.8
High
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap buffer overflow in Skia in Google Chrome before 128.0.6613.137 allows remote attackers to corrupt heap memory via crafted HTML. Google has not disclosed the affected Skia routine or the specific operation that writes beyond the heap allocation. A user must load the page; public material does not establish whether exploitation produces a crash or code execution.

The record

CVE
CVE-2024-8636
Published
Sep 11, 2024
Updated
Sep 13, 2024
Vendor
Google Cloud
Product
Google Chrome
Classifications
CWE-787, CWE-416, CWE-122, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 13, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <128.0.6613.137
  2. Affected versionversion=128.0.6613.137 <128.0.6613.137

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=0 <128.0.6613.137; version=128.0.6613.137 <128.0.6613.137

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-416Use After Free
CWE-122Heap-based Buffer Overflow
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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