CVE-2020-6556
published 2020-09-21CVE-2020-6556: 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…
PriorityP348high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
3.29%
87.1th percentile
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.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 87.0.4280.88-0.1 | 87.0.4280.88-0.1 |
| chromium | chromium | >= 0 < 87.0.4280.88-0.1 | 87.0.4280.88-0.1 |
| chromium | chromium | >= 0 < 87.0.4280.88-0.1 | 87.0.4280.88-0.1 |
| chromium | chromium | >= 0 < 87.0.4280.88-0.1 | 87.0.4280.88-0.1 |
| debian | chromium | < chromium 87.0.4280.88-0.1 (bookworm) | chromium 87.0.4280.88-0.1 (bookworm) |
| debian | debian_linux | — | — |
| fedoraproject | fedora | — | — |
| chrome | < 84.0.4147.125 | 84.0.4147.125 | |
| chrome | >= unspecified < 84.0.4147.135 | 84.0.4147.135 | |
| chrome_chrome | — | — | |
| opensuse | leap | — | — |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
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Chrome
Stable Channel Update for Desktop: CVE-2020-6556
vendor_chrome·2020-08-18·CVSS 8.8
CVE-2020-6556 [HIGH] Stable Channel Update for Desktop: CVE-2020-6556
Stable Channel Update for Desktop
CVE-2020-6556: Heap buffer overflow in SwiftShader. Reported by Alison Huffman, Microsoft Browser Vulnerability Research on 2020-08-12
We would also like to thank all security researchers that worked with us during the development cycle to prevent security bugs from ever reaching the stable channel
Severity: high
Red Hat
chromium-browser: Heap buffer overflow in SwiftShader
vendor_redhat·2020-08-18·CVSS 8.8
CVE-2020-6556 [HIGH] CWE-122 chromium-browser: Heap buffer overflow in SwiftShader
chromium-browser: Heap buffer overflow in SwiftShader
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.
Debian
CVE-2020-6556: chromium - Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allo...
vendor_debian·2020·CVSS 8.8
CVE-2020-6556 [HIGH] CVE-2020-6556: chromium - Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allo...
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.
Scope: local
bookworm: resolved (fixed in 87.0.4280.88-0.1)
bullseye: resolved (fixed in 87.0.4280.88-0.1)
forky: resolved (fixed in 87.0.4280.88-0.1)
sid: resolved (fixed in 87.0.4280.88-0.1)
trixie: resolved (fixed in 87.0.4280.88-0.1)
GHSA
GHSA-fffr-w5cq-wghr: Heap buffer overflow in SwiftShader in Google Chrome prior to 84
ghsa_unreviewed·2022-05-24
CVE-2020-6556 [HIGH] CWE-787 GHSA-fffr-w5cq-wghr: Heap buffer overflow in SwiftShader in Google Chrome prior to 84
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.
OSV
CVE-2020-6556: Heap buffer overflow in SwiftShader in Google Chrome prior to 84
osv·2020-09-21·CVSS 8.8
CVE-2020-6556 [HIGH] CVE-2020-6556: Heap buffer overflow in SwiftShader in Google Chrome prior to 84
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [epel-all]
bugzilla·2020-08-19·CVSS 8.8
CVE-2020-6556 [HIGH] CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [epel-all]
CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [epel-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported
Bugzilla
CVE-2020-6556 chromium-browser: Heap buffer overflow in SwiftShader
bugzilla·2020-08-19·CVSS 8.8
CVE-2020-6556 [HIGH] CVE-2020-6556 chromium-browser: Heap buffer overflow in SwiftShader
CVE-2020-6556 chromium-browser: Heap buffer overflow in SwiftShader
A heap buffer overflow flaw was found in the SwiftShader component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=1115345
External References:
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.html
Discussion:
Created chromium tracking bugs for this issue:
Affects: epel-all [bug 1870007]
Affects: fedora-all [bug 1870006]
---
This issue has been addressed in the following products:
Red Hat Enterprise Linux 6 Supplementary
Via RHSA-2020:3560 https://access.redhat.com/errata/RHSA-2020:3560
---
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
https://access.redhat.com/security/cve/
Bugzilla
CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [fedora-all]
bugzilla·2020-08-19·CVSS 8.8
CVE-2020-6556 [HIGH] CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [fedora-all]
CVE-2020-6556 chromium: chromium-browser: Heap buffer overflow in SwiftShader [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple suppo
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.htmlhttps://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.htmlhttps://crbug.com/1115345https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/https://www.debian.org/security/2021/dsa-4824http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.htmlhttps://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.htmlhttps://crbug.com/1115345https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/https://www.debian.org/security/2021/dsa-4824
2020-09-21
Published