CVE-2020-6533: debian debian_linux Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-6533DEBIAN-CVE-2020-6533
Published 22-07-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6533 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.24% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
2.24%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 22-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Type Confusion in V8 in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.24%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
+0.02 pp
From 2.22% on 20-09-2026
20-09-202620-10-2026
EPSS score2.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion')The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
Affected systems
Debian2 products
- chromium< 87.0.4280.88-0.1
- debian_linuxEOL10.0
Opensuse2 products
- backports_sle15.0:sp1
- leapEOL15.1 | 15.2
Ubuntu2 products
- chromium-browser< 84.0.4147.105-0ubuntu0.16.04.1 | < 84.0.4147.105-0ubuntu0.18.04.1
- libv8-3.14All versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL31 | 32
Google1 product
- chrome≥ unspecified, < 84.0.4147.89 | < 84.0.4147.89
5 vendors · 8 products
References
14 links- chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.htmlX Refsource MISCRelease NotesVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
