CVE-2020-6457: debian debian_linux Use After Free
CVSS: 9.6v3.1CriticalModified
AliasesopenSUSE-SU-2020:0566-1RHSA-2020:1504UBUNTU-CVE-2020-6457DEBIAN-CVE-2020-6457openSUSE-SU-2020:0541-1
Published 21-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-6457 is a critical (CVSS 9.6) Use After Free vulnerability in debian debian_linux. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.3% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (NVD)EPSS score
1.27%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 21-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
CVSS metrics
5 scores · 4 sources · 3 versionsCritical 9.6Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Critical 9.6Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.27%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.03 pp
From 1.24% on 19-09-2026
19-09-202619-10-2026
EPSS score1.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- chromium< 83.0.4103.83-1
- debian_linuxEOL9.0 | 10.0
Redhat2 products
- chromium-browser< 0:81.0.4044.113-1.el6_10
- chromium-browser-debuginfo< 0:81.0.4044.113-1.el6_10
Google1 product
- chrome≥ unspecified, < 81.0.4044.113 | < 81.0.4044.113
Opensuse1 product
- chromium&distro=openSUSE Leap 15.1< 81.0.4044.113-lp151.2.80.1
Suse1 product
- chromium&distro=SUSE Package Hub 15 SP1< 81.0.4044.113-bp151.3.70.1
Ubuntu1 product
- chromium-browser< 81.0.4044.122-0ubuntu0.16.04.1 | < 81.0.4044.122-0ubuntu0.18.04.1
6 vendors · 8 products
References
16 links- chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.htmlX Refsource MISCARTICLERelease NotesVendor Advisory
- lists.opensuse.org/archives/…Advisory
Show all 16 references
- lists.opensuse.org/archives/…Advisory