CVE-2008-4292

CRITICAL

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 vulnerabili...

Affects 1 product across 1 vendor.

CVSS 2.010.0
EPSS1.9%
Percentile79th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-255: CWE-255
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2008. A critical vulnerability affects Opera systems (CVE-2008-4292). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2008-GLOBAL-022233-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2008-4292?
This vulnerability was disclosed in 2008. A critical vulnerability affects Opera systems (CVE-2008-4292). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2008-4292?
CVE-2008-4292 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 1.9%.
Is CVE-2008-4292 actively exploited?
No confirmed active exploitation of CVE-2008-4292 as of 2026-09-25.
How do I remediate CVE-2008-4292?
Priority: MEDIUM. PSIRT: [email protected]
What systems are affected by CVE-2008-4292?
CVE-2008-4292 affects Opera Opera Browser.
Vulnerability Details
CVE IDCVE-2008-4292
BSIDBS-2008-GLOBAL-022233-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2008-09-27
Last Modified2026-06-16
ICS Relevance0%
Weakness (CWE)
CWE-255
SourceNVD
Official Description

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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Opera Opera Browser ≤ 9.51
Remediation

No official vendor advisory link on record. See the CVE record →

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 6592 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash7e6d4e79d9fb20a1ff87312c3ab10c889fe2c7d5cbee416dc41ddff81aae6ee3b94a36a7a100fc1db8ac5036e87378fc45f5f2134b7071c24de5d6d18ca16a93
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