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CVE-2019-5779

14
FAUCET Score

CVE-2019-5779 describes an insufficient policy validation vulnerability in Google Chrome versions prior to 72.0.3626.81, also affecting Debian, Fedora, and Red Hat distributions. A remote attacker could exploit this by crafting an HTML page to bypass navigation restrictions within the ServiceWorker component. This is a medium-severity vulnerability with a CVSS score of 4.3, requiring user interaction (UI:R) and potentially leading to a loss of confidentiality (C:L). There is no evidence of active exploitation, public exploit code, or Metasploit/Nuclei modules, and it has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 72.0.3626.81CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.59%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 92nd percentile among its peer group of 26,236 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:72.0.3626.81-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2019-5779Low

chromium-browser: Insufficient policy enforcement in ServiceWorker

Jan 29, 2019

References

access.redhat.com / errata/RHSA-2019:0309
chromereleases.googleblog.com / 2019/01/stable-channel-update-for-desktop.html
crbug.com / 904219
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/JVFHYCJGMZQUKYSIE2BXE4NLEGFGUXU5
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ZQOP53LXXPRGD4N5OBKGQTSMFXT32LF6
debian.org / security/2019/dsa-4395
securityfocus.com / bid/106767