---
title: "CVE-2026-97579: Linux kernel media: mediatek vcodec - Buffer Overflow"
description: "Linux kernel media: mediatek vcodec contains a buffer overflow vulnerability caused by unbounded copying of AV1 tile-start data into fixed-size arrays, letting attackers cause memory corruption, exploit requires crafted bitstream input."
url: https://panop.io/threat-heartbeat/CVE-2026-97579/
---

# CVE-2026-97579 Linux kernel media: mediatek vcodec - Buffer Overflow

Linux kernel media: mediatek vcodec contains a buffer overflow vulnerability caused by unbounded copying of AV1 tile-start data into fixed-size arrays, letting attackers cause memory corruption, exploit requires crafted bitstream input.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97579)

## Details

Type

Buffer Overflow

Impact

Denial Of Service, Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

25 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-97579](https://nvd.nist.gov/vuln/detail/CVE-2026-97579)
- [https://git.kernel.org/stable/c/ad47a250afafa3a51cfb4a004463ff28e66c596e](https://git.kernel.org/stable/c/ad47a250afafa3a51cfb4a004463ff28e66c596e)
- [https://git.kernel.org/stable/c/eb0ea3898e3921900939e30c3946dd2b52281859](https://git.kernel.org/stable/c/eb0ea3898e3921900939e30c3946dd2b52281859)
- [https://git.kernel.org/stable/c/f19acf00818a9eada06a77715d0188c181fb435e](https://git.kernel.org/stable/c/f19acf00818a9eada06a77715d0188c181fb435e)
- [https://git.kernel.org/stable/c/37bef2170d4c88fc3d708eecf3ef0f4032bc1372](https://git.kernel.org/stable/c/37bef2170d4c88fc3d708eecf3ef0f4032bc1372)
- [https://git.kernel.org/stable/c/7992059c045780095ba5a696dcb2f5400a82803c](https://git.kernel.org/stable/c/7992059c045780095ba5a696dcb2f5400a82803c)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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