KEV · Actively exploited

CVE-2023-4863

CVE-2023-4863 is actively exploited (CISA KEV catalog) : high severity (CVSS 8.8), 4 tracked apps concerned, none still exposed on their current version.

Severity (CVSS): 8.8
Exploitation: Confirmed
Tracked apps: 4
Still exposed: 0

Published on 2023-09-12

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)

Attack vector : Network No privileges required

Show raw CVSS vector

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

EPSS 99.98% predictive model; CISA confirms active exploitation percentile 100.0%

CISA Known Exploited Vulnerability

Added to KEV: 2023-09-13
Remediation deadline: 2023-10-04
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware: Unknown (not documented by CISA)

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Chrome macOS com.google.Chrome

Affected <116.0.5845.187 Fixed in 116.0.5845.187 Latest tracked 153.0.8010.53 patched
Google Chrome Windows winget:Google.Chrome

Affected <116.0.5845.187 Fixed in 116.0.5845.187 Latest tracked 154.0.8037.58 patched
Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <102.15.1 Fixed in 102.15.1 Latest tracked 156.0.1 patched

Observed affected builds (18)

102.0.1 102.0 101.0.1 101.0 100.0.2 100.0.1 99.0.1 99.0 98.0.2 98.0.1 98.0 97.0.2 97.0.1 97.0 96.0.3 96.0.2 96.0.1 96.0
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <102.15.1 Fixed in 102.15.1 Latest tracked 156.0.1 patched

Observed affected builds (61)

102.15.0 102.14.0 102.13.0 102.12.0 102.11.2 102.11.1 102.11.0 102.10.1 102.10.0 102.9.1 102.9.0 102.8.0 102.7.2 102.7.1 102.7.0 102.6.1 102.6.0 102.5.1 102.5.0 102.4.2 102.3.3 102.3.0 102.1.0 102.0 91.9.1 91.9.0 91.8.1 91.8.0 91.7.0 91.6.1 +31 · see history

NVD references 12 distinct products for this CVE : only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

Android Fixed in October 2023 patch level

Vulnerable CPE configurations (7)

Vendor	Product	Platform	Versions	CPE 2.3 URI
google	chrome All platforms (wildcard)	All platforms (wildcard)	<116.0.5845.187	cpe:2.3:a:google:chrome::::::::
google	chrome All platforms (wildcard)	All platforms (wildcard)	<116.0.5845.187	cpe:2.3:a:google:chrome::::::::
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<102.15.1	cpe:2.3:a:mozilla:firefox:::::esr:::*
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<117.0.1	cpe:2.3:a:mozilla:firefox:::::-:::*
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	≥115.1.0 <115.2.1	cpe:2.3:a:mozilla:firefox:::::esr:::*
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<102.15.1	cpe:2.3:a:mozilla:thunderbird::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	≥115.0 <115.2.2	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ CISA KEV catalog ↗ Advisory · chromereleases.googleblog.com Advisory · crbug.com Advisory · github.com

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