# CVE-2026-59593: Google Pixel HWCodec Firmware heap buffer overflow in AV1 decoder

Source: https://junglewise.ai/threats/cve-2026-59593-in-tile-info-of-av1-decoder-there-is-a-possible-heap-buffer  
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-2026-59593 · Severity: info · Published 2026-11-10

A heap buffer overflow exists in the AV1 video decoder component of Google Pixel device firmware. An attacker with local access and user interaction could exploit this to escalate privileges and execute arbitrary code. This could allow an attacker to gain control of the device.

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-2026-59593 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-59593 being exploited in the wild.

**How severe is CVE-2026-59593?** Informational severity, published 10 November 2026.

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

**Is there a fix for CVE-2026-59593?** 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-2026-59593 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2026-59593?** 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 heap buffer overflow vulnerability exists in the tile_info function of the AV1 decoder in Pixel HWCodec firmware. The vulnerability requires local access and user interaction (such as processing a malicious video) to trigger; exploitation leads to privilege escalation with code execution capability. A fix is available in the November 2026 security patch level (2026-11-05 or later).

## Affected products

- Google Pixel HWCodec Firmware

## Timeline

- 2026-11-10: disclosed
- 2026-11-05: patched

## 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 AVC decoder](https://junglewise.ai/threats/cve-2026-59612-in-buffering-period-of-avc-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 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)