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CVE-2019-2126

27
FAUCET Score

CVE-2019-2126 is a high-severity double free vulnerability in the mkvparser.cc component of Android, affecting versions 7.0 through 9.0. It allows for remote code execution with user interaction, stemming from a missing pointer reset after a free operation. The vulnerability has a CVSS score of 8.8 (High), indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability. While no active exploitation or public exploit code is known, and community discussion is minimal, its high FAUCET Risk Score of 84/100 suggests a significant potential risk.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
7.1.1CPE matchmatch criteria
cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*
7.1.2CPE matchmatch criteria
cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
8.1CPE matchmatch criteria
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*

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
5.61%
Probability of exploitation in next 30 days
EPSS Percentile
92.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0561 is in the 92nd 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

No media coverage found for this CVE.

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 (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libvpx-0:1.7.0-8.el8
View patch
googlevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-2126Moderate

libvpx: Double free in ParseContentEncodingEntry() in mkvparser.cc

Oct 26, 2019

References

lists.opensuse.org / opensuse-security-announce/2020-01/msg00049.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/DQSTK442ATWJOR4TU3MR6C3N5A6NDFFN
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/U2IIA3RSYABBUCFIHXIRVUT5CTJVWWZ6
source.android.com / security/bulletin/2019-08-01
Vendor Advisory
usn.ubuntu.com / 4199-1
Third Party Advisory