CVE-2005-3059

CRITICAL

Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) ...

Affects 3 products across 3 vendors.

CVSS 2.010.0
EPSS2.2%
Percentile83th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2005. A critical vulnerability affects Linux systems (CVE-2005-3059). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2005-GLOBAL-010985-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2005-3059?
This vulnerability was disclosed in 2005. A critical vulnerability affects Linux systems (CVE-2005-3059). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2005-3059?
CVE-2005-3059 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 2.2%.
Is CVE-2005-3059 actively exploited?
No confirmed active exploitation of CVE-2005-3059 as of 2026-09-25.
How do I remediate CVE-2005-3059?
Priority: MEDIUM.
What systems are affected by CVE-2005-3059?
CVE-2005-3059 affects Opera Opera Browser.
Vulnerability Details
CVE IDCVE-2005-3059
BSIDBS-2005-GLOBAL-010985-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2005-09-26
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) a "display issue with cookie comment encoding."

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) a "display issue with cookie comment encoding." CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Opera Opera Browser 8.50

Platforms listed by the source (the vulnerable product runs on these; they are not themselves vulnerable): Linux Linux Kernel, Microsoft Windows

Remediation

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

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 7704 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 Hasha5d41f0745e4db19c3392e423810ae7fd589fd71324295b6cc29354525fce739f3e17222fa68ef48bf8863b1f508beffb4262299d3bde8212ad463508ba61fc6
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