CVE-2026-0156
WebRTC: RtpSession Null Pointer Dereference Remote Denial of Service
Description
In checkSsrcCollisionOnRcv of RtpSession.cpp, there is a possible memory safety issue due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
INFO
Published Date :
June 16, 2026, 8:16 p.m.
Last Modified :
Oct. 25, 2026, 11:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-0156
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Apply vendor patches for RtpSession.cpp.
- Implement null checks in checkSsrcCollisionOnRcv.
- Rebuild and redeploy the affected application.
- Test thoroughly for memory safety.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-0156.
| URL | Resource |
|---|---|
| https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-0156 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-0156
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-0156 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-0156 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 25, 2026
Action Type Old Value New Value Added Translation Title: Android de Google, Description: En checkSsrcCollisionOnRcv de RtpSession.cpp, existe un posible problema de seguridad de memoria debido a una comprobación nula faltante. Esto podría conducir a una denegación de servicio remota sin necesidad de privilegios de ejecución adicionales. No se necesita interacción del usuario para la explotación. -
CVE Modified by [email protected]
Sep. 16, 2026
Action Type Old Value New Value Added Reference https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01 Removed Reference https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01 Removed Reference Type https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 16, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed SSVC {'id': 'CVE-2026-0156', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-16T19:50:13.186722Z'} {'id': 'CVE-2026-0156', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-16T15:55:40.875914Z'} -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 06, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added SSVC {'id': 'CVE-2026-0156', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-16T19:50:13.186722Z'} -
Initial Analysis by [email protected]
Jun. 22, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:o:google:android:-:*:*:*:*:*:*:* Added Reference Type Google Devices: https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01 Types: Vendor Advisory -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Google', 'product': 'Android', 'versions': [{'status': 'affected', 'version': 'Android kernel'}], 'defaultStatus': 'unaffected'}] -
New CVE Received by [email protected]
Jun. 16, 2026
Action Type Old Value New Value Added Description In checkSsrcCollisionOnRcv of RtpSession.cpp, there is a possible memory safety issue due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Added Reference https://source.android.com/docs/security/bulletin/pixel/2026/2026-06-01