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GHSA-j646-gj5p-p45g

Published Sep 21, 2023·Last modified Dec 7, 2024
Affected Components(0)

No affected components available

Description

Google is aware that an exploit for CVE-2023-4863 exists in the wild.

Description

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

References

  • https://www.cve.org/CVERecord?id=CVE-2023-4863
  • https://nvd.nist.gov/vuln/detail/CVE-2023-4863
  • https://www.techtarget.com/searchsecurity/news/366551978/Browser-companies-patch-critical-zero-day-vulnerability

Updated

There is another related security vulnerability.

There's another related CVE (CVE-2023-5217) that is fixed in Chromium 117.0.5938.132. This one is triggered by WebCodecs API encoder usage, so a workaround for older versions is to disable the WebCodecs API (--disable-blink-features=WebCodecs).

As per https://magpcss.org/ceforum/viewtopic.php?f=6&t=19551#p54150

Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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