Double free in Android
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-415 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Android | Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 | — | No fix listed | CNA |
- Android Vendor— Affected Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | |
| cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:* | 7.1.1 | Vulnerable | |
| cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:* | 7.1.2 | Vulnerable | |
| cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | |
| cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | |
| cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | |
| cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | 30 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | 31 | Vulnerable | Fedoraproject |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 18.04 | Vulnerable | Canonical |
- cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Google
- cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:* Versions 7.1.1 Vulnerable ·Google
- cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:* Versions 7.1.2 Vulnerable ·Google
- cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Google
- cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Google
- cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Google
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
Remediation
Red Hat 1 advisory
- RHSA-2020:4629 Released 2020-11-04 · Red Hat rating Moderatelibvpx security update
- Red Hat CodeReady Linux Builder (v. 8) libvpx-devel-1.7.0-8.el8
- Red Hat Enterprise Linux AppStream (v. 8) libvpx-1.7.0-8.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2020:4629 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2020:4629 |
Not affected: 1 product
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2019-2126
- 2026-10-03 Alias added: GHSA-jxxw-46w4-3vhv
References
Sources
- CVE-2019-2126 · CVE Program
- CVE-2019-2126 · NVD
- FIRST EPSS
- GHSA-jxxw-46w4-3vhv · GitHub Advisory Database · CC BY 4.0
- CVE-2019-2126 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences