CVE-2020-6556 — Out-of-bounds Write in Google Chrome

CWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow10 documents8 sources
Severity
8.8HIGHNVD
EPSS
1.9%
top 16.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Google ChromeChromiumDebian Linux+2 more
Timeline
PublishedSep 21
Latest updateMay 24

Description

Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allowed a remote attacker to potentially exploit heap corruption 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 Packages4 packages

▶CVEListV5google/chromeunspecified — 84.0.4147.135
▶NVDgoogle/chrome< 84.0.4147.125
▶Debianchromium/chromium< 87.0.4280.88-0.1+3
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Debian Linux 10.0, Fedora 33

🔴Vulnerability Details

3
GHSA
GHSA-fffr-w5cq-wghr: Heap buffer overflow in SwiftShader in Google Chrome prior to 84↗2022-05-24
▶
OSV
CVE-2020-6556: Heap buffer overflow in SwiftShader in Google Chrome prior to 84↗2020-09-21
▶
CVEList
CVE-2020-6556: Heap buffer overflow in SwiftShader in Google Chrome prior to 84↗2020-09-21
▶

📋Vendor Advisories

3
Chrome
Stable Channel Update for Desktop: CVE-2020-6556↗2020-08-18
▶
Red Hat
chromium-browser: Heap buffer overflow in SwiftShader↗2020-08-18
▶
Debian
CVE-2020-6556: chromium - Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allo...↗2020
▶

💬Community

3
Bugzilla
CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [epel-all]↗2020-08-19
▶
Bugzilla
CVE-2020-6556 chromium-browser: Heap buffer overflow in SwiftShader↗2020-08-19
▶
Bugzilla
CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [fedora-all]↗2020-08-19
▶
CVE-2020-6556 — Out-of-bounds Write in Google Chrome | cvebase