CVE-2021-4068: debian debian_linux Improper Encoding or Escaping of Output
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-4068DEBIAN-CVE-2021-4068
Published 23-12-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-4068 is a medium (CVSS 6.5) Improper Encoding or Escaping of Output vulnerability in debian debian_linux. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.34%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 6Timeline
- 23-12-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Insufficient data validation in new tab page in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.34%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
+0.04 pp
From 1.30% on 19-09-2026
19-09-202619-10-2026
EPSS score1.34%
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< 97.0.4692.71-0.1
- debian_linuxEOL10.0 | 11.0
Fedoraproject1 product
- fedoraEOL34
Google1 product
- chrome≥ unspecified, < 96.0.4664.93 | < 96.0.4664.93
Ubuntu1 product
- chromium-browser< 97.0.4692.71-0ubuntu0.18.04.1
4 vendors · 5 products
References
8 links- chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.htmlX Refsource MISCVendor Advisory