CVE-2021-30521 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
8.8HIGHNVD
EPSS
0.8%
top 25.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Google ChromeChromiumDebian Chromium+3 more
Timeline
PublishedJun 7
Latest updateMay 24

Description

Heap buffer overflow in Autofill in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5google/chromeunspecified — 91.0.4472.77
▶NVDgoogle/chrome< 91.0.4472.77
▶debiandebian/chromium< chromium 93.0.4577.82-1 (bookworm)
▶Debianchromium/chromium< 93.0.4577.82-1+3

Also affects: Fedora 33, 34

Patches

Patch: crbug.com ↗Patch: crbug.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-4492-2rcf-6chf: Heap buffer overflow in Autofill in Google Chrome on Android prior to 91↗2022-05-24
▶
OSV
CVE-2021-30521: Heap buffer overflow in Autofill in Google Chrome on Android prior to 91↗2021-06-07
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2021-30521↗2021-05-25
▶
Microsoft
Chromium: CVE-2021-30521 Heap buffer overflow in Autofill↗2021-05-11
▶
Debian
CVE-2021-30521: chromium - Heap buffer overflow in Autofill in Google Chrome on Android prior to 91.0.4472....↗2021
▶