Google Android up to 9.0 mkvparser.cc ParseContentEncodingEntry double free

CVSS Meta Temp Score
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android up to 9.0 and classified as critical. The affected element is the function ParseContentEncodingEntry of the file mkvparser.cc. Executing a manipulation can lead to double free. This vulnerability is registered as CVE-2019-2126. It is possible to launch the attack remotely. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android up to 9.0 (Smartphone Operating System). This vulnerability affects the function ParseContentEncodingEntry of the file mkvparser.cc. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In ParseContentEncodingEntry of mkvparser.cc, there is a possible double free due to a missing reset of a freed pointer. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-127702368.

The weakness was published 08/20/2019 (Website). The advisory is available at source.android.com. This vulnerability was named CVE-2019-2126 since 12/10/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/21/2025). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 236547 (Alibaba Cloud Linux 3 : 0048: libvpx (ALINUX3-SA-2022:0048)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Tenable (236547). Similar entries are available at VDB-140406, VDB-140407, VDB-140408 and VDB-140409. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236547
Nessus Name: Alibaba Cloud Linux 3 : 0048: libvpx (ALINUX3-SA-2022:0048)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/10/2018 🔍
08/20/2019 +253 days 🔍
08/21/2019 +1 days 🔍
05/21/2025 +2100 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: USN-4199-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-2126 (🔍)
GCVE (CVE): GCVE-0-2019-2126
GCVE (VulDB): GCVE-100-140410
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 08/21/2019 08:20
Updated: 05/21/2025 22:58
Changes: 08/21/2019 08:20 (59), 08/01/2020 14:39 (1), 11/27/2023 12:42 (4), 05/21/2025 22:58 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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