# CVE-2018-6156: chromium-browser: Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to...

CVE-2018-6156 is fixed in 8 products on 1 platform, first by firefox 70.0+build2-0ubuntu0.18.04.1, released July 9, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-6156
- Priority: High
- CVSS: n/a (High)
- EPSS: 0.0086
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 27, 2019

## Description

Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | chromium-browser Ubuntu 18.04.6 LTS (bionic) | 68.0.3440.75-0ubuntu0.18.04.1 | [chromium-browser 68.0.3440.75-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-68.0.3440.75-0ubuntu0.18.04.1.md) | Nov 2, 2021 |
| Linux | chromium-browser-l10n Ubuntu 18.04.6 LTS (bionic) | 68.0.3440.75-0ubuntu0.18.04.1 | [chromium-browser-l10n 68.0.3440.75-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-browser-l10n-68.0.3440.75-0ubuntu0.18.04.1.md) | Nov 2, 2021 |
| Linux | chromium-chromedriver Ubuntu 18.04.6 LTS (bionic) | 68.0.3440.75-0ubuntu0.18.04.1 | [chromium-chromedriver 68.0.3440.75-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-chromedriver-68.0.3440.75-0ubuntu0.18.04.1.md) | Nov 2, 2021 |
| Linux | chromium-codecs-ffmpeg Ubuntu 18.04.6 LTS (bionic) | 68.0.3440.75-0ubuntu0.18.04.1 | [chromium-codecs-ffmpeg 68.0.3440.75-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-68.0.3440.75-0ubuntu0.18.04.1.md) | Nov 2, 2021 |
| Linux | chromium-codecs-ffmpeg-extra Ubuntu 18.04.6 LTS (bionic) | 68.0.3440.75-0ubuntu0.18.04.1 | [chromium-codecs-ffmpeg-extra 68.0.3440.75-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-chromium-codecs-ffmpeg-extra-68.0.3440.75-0ubuntu0.18.04.1.md) | Nov 2, 2021 |
| Linux | firefox Ubuntu 18.04.6 LTS (bionic) | 70.0+build2-0ubuntu0.18.04.1 | [firefox 70.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-70.0-build2-0ubuntu0.18.04.1.md) | Jul 9, 2020 |
| Linux | firefox-geckodriver Ubuntu 18.04.6 LTS (bionic) | 70.0+build2-0ubuntu0.18.04.1 | [firefox-geckodriver 70.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-geckodriver-70.0-build2-0ubuntu0.18.04.1.md) | Jul 9, 2020 |
| Linux | firefox-mozsymbols Ubuntu 18.04.6 LTS (bionic) | 70.0+build2-0ubuntu0.18.04.1 | [firefox-mozsymbols 70.0+build2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-firefox-mozsymbols-70.0-build2-0ubuntu0.18.04.1.md) | Jul 9, 2020 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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