Opera 5.11 allows remote attackers to cause a denial of service (CPU consumption and…
Priority LOW 33Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Opera 5.11 allows remote attackers to cause a denial of service (CPU consumption and memory leak) via a web page with a large number of images.
Why it matters now
EPSS 0.0697 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opera_software:opera_web_browser:5.1.1:*:win32:*:*:*:*:* | 5.1.1 | Vulnerable | Opera Software |
- cpe:2.3:a:opera_software:opera_web_browser:5.1.1:*:win32:*:*:*:*:* Versions 5.1.1 Vulnerable ·Opera Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1491
- 2026-10-03 Alias added: GHSA-6g54-4c8f-fc5g
References
—
More Opera Software Opera Web Browser vulnerabilities
- TI-2005-00199 The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla… CVSS 2.0HIGH 7.5
- TI-2002-02223 Microsoft Internet Explorer 6.0 and possibly others allows remote attackers to upload… CVSS 2.0MEDIUM 6.4
- TI-2002-01062 Netscape 6.2.3 and earlier, and Mozilla 1.0.1, allow remote attackers to corrupt heap… CVSS 2.0HIGH 7.5
- TI-2002-00760 Opera 6.01, 6.0, and 5.12 allows remote attackers to execute arbitrary JavaScript in the… CVSS 2.0HIGH 7.5
- TI-2002-00232 Cross-site scripting vulnerability in Opera 6.0 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2002-00871 Opera 6.0.1 and 6.0.2 allows a remote web site to upload arbitrary files from the client… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2001-1491 · CVE Program
- CVE-2001-1491 · NVD
- FIRST EPSS
- GHSA-6g54-4c8f-fc5g · GitHub Advisory Database · CC BY 4.0
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