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CVE-2019-5839

19
FAUCET Score

CVE-2019-5839 describes a URL validation bypass vulnerability in Google Chrome versions prior to 75.0.3770.80, also affecting Debian, Fedora, and OpenSUSE. This medium-severity vulnerability (CVSS 4.3) allows a remote attacker to bypass website URL validation by convincing a user to input a crafted URL, potentially leading to information disclosure. While no public exploits or Metasploit modules are available, and it's not listed in CISA's KEV catalog, there has been some community discussion and media coverage regarding this flaw.

Impacted Technologies

VendorProductVersion(s)CPE
< 75.0.3770.80CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
sle-15CPE matchmatch criteria
cpe:2.3:o:opensuse:backports:sle-15:-:*:*:*:*:*:*
15.0CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
42.3CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.25%
Probability of exploitation in next 30 days
EPSS Percentile
66.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0125 is in the 79th percentile among its peer group of 26,234 CVEs.

Social Chatter

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-0:75.0.3770.80-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2019-5839Low

chromium-browser: Incorrect handling of certain code points in Blink

Jun 4, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-06/msg00085.html
chromereleases.googleblog.com / 2019/06/stable-channel-update-for-desktop.html
crbug.com / 925614
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/CPM7VPE27DUNJLXM4F5PAAEFFWOEND6X
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EI3DGFVT7CKJO6YVMP55R35HCDVEIC4Z
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FKN4GPMBQ3SDXWB4HL45II5CZ7P2E4AI
seclists.org / bugtraq/2019/Aug/19
security.gentoo.org / glsa/201908-18
debian.org / security/2019/dsa-4500