# CVE-2014-7947: chromium-browser: OpenJPEG before r2944, as used in PDFium in Google Chrome before40.0.2214.91, allows remote attackers to cause a deni...

CVE-2014-7947 is fixed in 5 products on 1 platform, first by chromium-browser 40.0.2214.94-0ubuntu1.1120, released January 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2014-7947
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0173
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no

## Description

OpenJPEG before r2944, as used in PDFium in Google Chrome before40.0.2214.91, allows remote attackers to cause a denial of service(out-of-bounds read) via a crafted PDF document, related to j2k.c, jp2.c,pi.c, t1.c, t2.c, and tcd.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | chromium-browser Ubuntu 24.10 (oracular) | 40.0.2214.94-0ubuntu1.1120 | [chromium-browser 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-chromium-browser-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-browser Ubuntu 25.04 (plucky) | 40.0.2214.94-0ubuntu1.1120 | [chromium-browser 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-chromium-browser-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-browser-l10n Ubuntu 24.10 (oracular) | 40.0.2214.94-0ubuntu1.1120 | [chromium-browser-l10n 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-chromium-browser-l10n-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-browser-l10n Ubuntu 25.04 (plucky) | 40.0.2214.94-0ubuntu1.1120 | [chromium-browser-l10n 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-chromium-browser-l10n-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-chromedriver Ubuntu 24.10 (oracular) | 40.0.2214.94-0ubuntu1.1120 | [chromium-chromedriver 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-chromium-chromedriver-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-chromedriver Ubuntu 25.04 (plucky) | 40.0.2214.94-0ubuntu1.1120 | [chromium-chromedriver 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-chromium-chromedriver-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-codecs-ffmpeg Ubuntu 24.10 (oracular) | 40.0.2214.94-0ubuntu1.1120 | [chromium-codecs-ffmpeg 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-chromium-codecs-ffmpeg-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-codecs-ffmpeg Ubuntu 25.04 (plucky) | 40.0.2214.94-0ubuntu1.1120 | [chromium-codecs-ffmpeg 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-chromium-codecs-ffmpeg-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-codecs-ffmpeg-extra Ubuntu 24.10 (oracular) | 40.0.2214.94-0ubuntu1.1120 | [chromium-codecs-ffmpeg-extra 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-chromium-codecs-ffmpeg-extra-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |
| Linux | chromium-codecs-ffmpeg-extra Ubuntu 25.04 (plucky) | 40.0.2214.94-0ubuntu1.1120 | [chromium-codecs-ffmpeg-extra 40.0.2214.94-0ubuntu1.1120](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-chromium-codecs-ffmpeg-extra-40.0.2214.94-0ubuntu1.1120.md) | Jan 16, 2026 |

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Data as of 2026-11-14T14:09:31Z 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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