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CVE-2019-5821

28
FAUCET Score

CVE-2019-5821 is an integer overflow vulnerability in PDFium, a component of Google Chrome prior to version 74.0.3729.108, also affecting Debian, Fedora, and openSUSE. This high-severity vulnerability (CVSS 8.8) allows a remote unauthenticated attacker to potentially exploit heap corruption via a crafted PDF file, leading to high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 74.0.3729.108CPE 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

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 69th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:74.0.3729.108-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2019-5821Moderate

chromium-browser: Integer overflow in PDFium

Apr 23, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-06/msg00085.html
chromereleases.googleblog.com / 2019/04/stable-channel-update-for-desktop_23.html
crbug.com / 919640
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/CPM7VPE27DUNJLXM4F5PAAEFFWOEND6X
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