# CVE-2024-7973: Chromium: CVE-2024-7973 Heap buffer overflow in PDFium

CVE-2024-7973 is fixed in 5 products on 2 platforms, first by Microsoft Edge Dev 129.0.2752.4, released August 7, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-7973
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0077
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 21, 2024
- Weakness: CWE-122: Heap buffer overflow
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-7973

## Description

<p>This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2024">Google Chrome Releases</a> for more information.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Microsoft Edge | 128.0.2739.42 | [Microsoft Edge 128.0.2739.42](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-128.0.2739.42.md) | Aug 22, 2024 |
| Windows apps | Microsoft Edge Beta | 129.0.2792.21 | [Microsoft Edge Beta 129.0.2792.21](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-129.0.2792.21.md) | Sep 3, 2024 |
| Windows apps | Microsoft Edge Dev | 129.0.2752.4 | [Microsoft Edge Dev 129.0.2752.4](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-129.0.2752.4.md) | Aug 7, 2024 |
| Windows apps | Microsoft Edge WebView2 Runtime | 128.0.2739.42 | [Microsoft Edge WebView2 Runtime 128.0.2739.42](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-128.0.2739.42.md) | Aug 22, 2024 |
| Linux | chromium Debian 12.15 (bookworm) | 128.0.6613.84-1~deb12u1 | [DEBIAN-CVE-2024-7973](https://patchblox.com/security/data/fix/linux/debian-cve-2024-7973.md) | Aug 21, 2024 |
| Linux | chromium Debian 13.5 (trixie) | 128.0.6613.84-1 | [DEBIAN-CVE-2024-7973](https://patchblox.com/security/data/fix/linux/debian-cve-2024-7973.md) | Aug 21, 2024 |
| Linux | chromium Debian 14 | 128.0.6613.84-1 | [DEBIAN-CVE-2024-7973](https://patchblox.com/security/data/fix/linux/debian-cve-2024-7973.md) | Aug 21, 2024 |
| Linux | chromium opensuse-leap 15.6 | 128.0.6613.84-bp156.2.17.1 | [OPENSUSE-SU-2024:0258-2](https://patchblox.com/security/data/fix/linux/opensuse-su-2024-0258-2.md) | Aug 23, 2024 |

---

Data as of 2026-11-08T00:53:09Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.