# CVE-2026-59612: Google Pixel HWCodec Firmware buffer overflow in AVC decoder

Source: https://junglewise.ai/threats/cve-2026-59612-in-buffering-period-of-avc-decoder-there-is-a-possible-non-heap  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-59612 · Severity: info · Published 2026-11-10

A buffer overflow vulnerability exists in the AVC video decoder firmware used by Google Pixel devices. An attacker with local access and user interaction could exploit this to gain elevated privileges on the device. This could enable an attacker to bypass device security and access sensitive data.

Technologies: [Google Pixel HWCodec Firmware](https://junglewise.ai/threats/technologies/pixel-hwcodec-firmware). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2026-59612 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-59612 being exploited in the wild.

**How severe is CVE-2026-59612?** Informational severity, published 10 November 2026.

**Which products and versions are affected?** Google Pixel HWCodec Firmware.

**Is there a fix for CVE-2026-59612?** Yes: fixed in Pixel security patch level 2026-11-05 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-59612 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2026-59612?** Check whether you run Google Pixel HWCodec Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in Pixel security patch level 2026-11-05 or later

## Technical details

A non-heap buffer overflow in the buffering_period function of the avc_decoder component allows local escalation of privilege. The vulnerability requires user interaction for exploitation and affects the hardware codec firmware. A fix is available in the 2026-11-05 security patch level.

## Affected products

- Google Pixel HWCodec Firmware

## Timeline

- 2026-11-10: disclosed
- 2026-11-10: advisory

## References

- [https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01](https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01)

## Related threats

- [Google HWCodec Firmware logic error in userdata_report](https://junglewise.ai/threats/cve-2026-59637-in-userdata-report-of-hwcodec-firmware-there-is-a-possible-logic)
- [Google Pixel HWCodec Firmware non-heap buffer overflow in HEVC decoder](https://junglewise.ai/threats/cve-2026-59631-in-s-inter-rps-pred-of-hevc-decoder-there-is-a-possible-non-heap)
- [Google Pixel HWCodec Firmware buffer overflow in HEVC decoder](https://junglewise.ai/threats/cve-2026-59608-in-tone-mapping-info-of-hevc-decoder-there-is-a-possible-non-heap)
- [Google Pixel HWCodec Firmware heap buffer overflow in AV1 decoder](https://junglewise.ai/threats/cve-2026-59593-in-tile-info-of-av1-decoder-there-is-a-possible-heap-buffer)
- [Google Pixel HWCodec firmware buffer overflow in avc_decoder](https://junglewise.ai/threats/cve-2026-59573-in-max-num-ref-frames-of-avc-decoder-there-is-a-possible-non-heap)