CVE-2021-4079 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds Write6 documents6 sources
Severity
8.8HIGHNVD
EPSS
1.4%
top 19.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Google ChromeChromiumDebian Chromium+2 more
Timeline
PublishedDec 23
Latest updateDec 24

Description

Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via crafted WebRTC packets.

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 Packages5 packages

▶CVEListV5google/chromeunspecified — 96.0.4664.93
▶NVDgoogle/chrome< 96.0.4664.93
▶debiandebian/chromium< chromium 97.0.4692.71-0.1 (bookworm)
▶Debianchromium/chromium< 97.0.4692.71-0.1~deb11u1+3

Also affects: Debian Linux 10.0, 11.0

🔴Vulnerability Details

3
GHSA
GHSA-j7jm-xwrj-8m3c: Out of bounds write in WebRTC in Google Chrome prior to 96↗2021-12-24
▶
OSV
CVE-2021-4079: Out of bounds write in WebRTC in Google Chrome prior to 96↗2021-12-23
▶
Project0
Project Zero RCA: CVE-2022-2294: Heap buffer overflow in WebRTC↗
▶

📋Vendor Advisories

2
Chrome
Stable Channel Update for Desktop: CVE-2021-4052↗2021-12-06
▶
Debian
CVE-2021-4079: chromium - Out of bounds write in WebRTC in Google Chrome prior to 96.0.4664.93 allowed a r...↗2021
▶