# Google Chromium Network Service: Use-After-Free (CVE-2022-3038) · pwn.watch

> Google Chromium Network Service contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Added to CISA KEV on 2023-03-30.

Page: https://pwn.watch/i/google-chromium-network-service-cve-2022-3038 · generated 2026-10-23T05:56:48.505Z

## Status
- Severity: high · status: closed · patch: patched
- Product: Google Chromium Network Service
- Started: 2023-03-30 · closed: 2023-03-30
- CVEs: CVE-2022-3038
- Affected: See vendor advisory / CISA notes (versions not always listed in KEV feed)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/google-chromium-network-service-cve-2022-3038/feed.xml
- JSON Feed: https://pwn.watch/i/google-chromium-network-service-cve-2022-3038/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/google-chromium-network-service-cve-2022-3038.json
- This file: https://pwn.watch/i/google-chromium-network-service-cve-2022-3038/llms.txt

## Updates (newest first)
- 2023-03-30: CISA added CVE-2022-3038 to the KEV catalog (due 2023-04-20).

## Fix brief
# Security brief: Google Chromium Network Service: Use-After-Free (CVE-2022-3038)

Source: https://pwn.watch/i/google-chromium-network-service-cve-2022-3038 · status: closed (closed Mar 30, 2023) · severity: high · updated Mar 30, 2023

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
Google Chromium Network Service contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Added to CISA KEV on 2023-03-30.

Severity detail: CVSS 8.8 (NVD), actively exploited (CISA KEV)

- Product: Google Chromium Network Service
- CVE / advisory ids: CVE-2022-3038

## Affected versions
- See vendor advisory / CISA notes (versions not always listed in KEV feed)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Mar 30, 2023: CISA added CVE-2022-3038 to the KEV catalog (due 2023-04-20).

## Advisories
- [Vendor advisory: Google Chromium Network Service](https://chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop_30.html) (Google)
- [NVD: CVE-2022-3038](https://nvd.nist.gov/vuln/detail/CVE-2022-3038) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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Machine-readable: https://pwn.watch/i/google-chromium-network-service-cve-2022-3038.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.