CVE-2026-0156 Google CVE debrief

Who should care

Defenders responsible for managing and securing Android systems should assess exposure and prioritize remediation. This includes reviewing and updating inventory to ensure affected systems are identified and prioritized for remediation. Defenders should also monitor systems for potential denial of service attempts and verify and apply patches from the vendor, Google, for the affected product, Android.

Why it matters

A memory safety issue in Android's RtpSession.cpp could lead to remote denial of service. Defenders should prioritize verifying and applying patches from the vendor.

• Potential remote denial of service with no additional execution privileges needed.
• Requires verification of affected systems and application of patches from the vendor.

Technical summary

A memory safety issue exists in checkSsrcCollisionOnRcv of RtpSession.cpp due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. The issue affects Android systems, and defenders should prioritize verifying and applying patches from the vendor, Google. The vulnerability has a CVSS score of 7.5 and is classified as HIGH severity. User interaction is not needed for exploitation. The CVE record and NVD entry provide details on the vulnerability, including its description and affected product.

Defensive priority

Defenders should prioritize verifying and applying patches from the vendor, Google, for the affected product, Android.

Recommended defensive actions

• Verify and apply patches from the vendor, Google, for the affected product, Android.
• Review and update inventory to ensure affected systems are identified and prioritized for remediation.
• Monitor systems for potential denial of service attempts.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected product. The issue is in checkSsrcCollisionOnRcv of RtpSession.cpp. Defenders should verify and apply patches from the vendor, Google, for the affected product, Android. The vulnerability could lead to remote denial of service with no additional execution privileges needed.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.