CVE-2008-4292

What it is

Opera before 9.52 does not check the CRL override upon encountering a certificate that lacks a CRL, which has unknown impact and attack vectors. NOTE: it is not clear whether this is a vulnerability, but the vendor included it in a security section of the advisory.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.9% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2008-09-27 10:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:57 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.9% in the next 30 days (EPSS).
• Severity: 10.0 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2008-09-27 10:30 UTC

Last modified

2026-06-16 22:57 UTC

Exploit probability

1.9% · EPSS, next 30 days

Weakness

CWE-255

Record status

Modified

Affected

• Opera Browser ≤ 9.51
• Opera Browser 5.0
• Opera Browser 5.02
• Opera Browser 5.10
• Opera Browser 5.11
• Opera Browser 5.12
• Opera Browser 6.0
• Opera Browser 6.1

Attack profile CVSS 2.0 · 10.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

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