# CVE-2026-17967: Google Chrome for iOS use after free heap corruption

Source: https://junglewise.ai/threats/cve-2026-17967-google-chrome-for-ios-use-after-free-heap-corruption  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-30. Updated: 2026-07-30  
License: CC BY 4.0 with a link back

CVE-2026-17967 · Severity: info · CVSS 0 · Published 2026-07-30

Google Chrome for iOS is a popular mobile web browser. A security vulnerability has been identified that could allow a malicious website to cause the browser to crash or potentially execute unauthorized actions by corrupting its memory. This occurs when the browser attempts to use memory that has already been released, typically triggered by visiting a specially crafted web page.

Technologies: [Google Chrome for iOS](https://junglewise.ai/threats/technologies/chrome-for-ios). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2026-17967 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-17967 being exploited in the wild.

**How severe is CVE-2026-17967?** Informational severity, with a CVSS score of 0, published 30 July 2026.

**Which products and versions are affected?** Google Chrome for iOS prior to 151.0.7922.72.

**Is there a fix for CVE-2026-17967?** A patch was published on 2026-07-29. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-17967 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-17967?** Check whether you run Google Chrome for iOS at an affected version. 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.

## Technical details

A use-after-free (UAF) vulnerability exists in Google Chrome for iOS prior to version 151.0.7922.72. The flaw is categorized under CWE-416 and resides within the Chrome for iOS component. A remote attacker can trigger this vulnerability by enticing a user to visit a specially crafted HTML page. Successful exploitation could lead to heap corruption, potentially allowing for arbitrary code execution or a denial-of-service (browser crash) within the context of the application. Google has addressed this issue in the stable channel update 151.0.7922.72.

## Affected products

- Google Chrome for iOS prior to 151.0.7922.72

## Timeline

- 2026-07-29: patched
- 2026-07-30: disclosed

## References

- [https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html](https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html)
- [https://issues.chromium.org/issues/518243858](https://issues.chromium.org/issues/518243858)

## Related threats

- [Google Chrome for iOS UI spoofing via crafted HTML page](https://junglewise.ai/threats/cve-2026-18013-google-chrome-for-ios-ui-spoofing-via-crafted-html-page)
- [Google Chrome for iOS UI spoofing via crafted HTML page](https://junglewise.ai/threats/cve-2026-18003-google-chrome-for-ios-ui-spoofing-via-crafted-html-page)
- [Google Chrome for iOS no-referrer policy bypass](https://junglewise.ai/threats/cve-2026-17960-google-chrome-for-ios-no-referrer-policy-bypass)
- [Google Chrome for iOS navigation restriction bypass](https://junglewise.ai/threats/cve-2026-17944-google-chrome-for-ios-navigation-restriction-bypass)
- [Google Chrome for iOS Omnibox spoofing via crafted HTML page](https://junglewise.ai/threats/cve-2026-17941-google-chrome-for-ios-omnibox-spoofing-via-crafted-html-page)
