CVE-2023-4903 — Access of Uninitialized Pointer in Google Chrome

CWE-824 — Access of Uninitialized Pointer8 documents8 sources
Severity
4.3MEDIUMNVD
EPSS
0.3%
top 49.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Google ChromeChromiumDebian Chromium+4 more
Timeline
PublishedSep 12
Latest updateOct 1

Description

Inappropriate implementation in Custom Mobile Tabs in Google Chrome on Android prior to 117.0.5938.62 allowed a remote attacker to spoof security UI via a crafted HTML page. (Chromium security severity: Medium)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages6 packages

▶CVEListV5google/chrome117.0.5938.62 — 117.0.5938.62
▶NVDgoogle/chrome< 117.0.5938.62
▶debiandebian/chromium< chromium 117.0.5938.62-1~deb12u1 (bookworm)
▶Debianchromium/chromium< 117.0.5938.62-1~deb11u1+3

Also affects: Debian Linux 11.0, 12.0, Fedora 37, 38, 39

🔴Vulnerability Details

2
OSV
CVE-2023-4903: Inappropriate implementation in Custom Mobile Tabs in Google Chrome on Android prior to 117↗2023-09-12
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GHSA
GHSA-8j7g-fq3w-jp2m: Inappropriate implementation in Custom Mobile Tabs in Google Chrome on Android prior to 117↗2023-09-12
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📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2023-4903↗2023-09-12
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Microsoft
Chromium: CVE-2023-4903 Inappropriate implementation in Custom Mobile Tabs↗2023-09-12
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Debian
CVE-2023-4903: chromium - Inappropriate implementation in Custom Mobile Tabs in Google Chrome on Android p...↗2023
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💬Community

1
Bugzilla
CVE-2023-53462 kernel: Linux kernel HSR driver: Denial of Service via uninitialized value access↗2025-10-01
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