Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data…
Priority LOW 29Published · 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 · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.
Why it matters now
EPSS 0.03403 88th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-0456
- 2026-10-03 Alias added: GHSA-qq49-j728-jmpv
References
More Opera Browser vulnerabilities
- TI-2015-03381 The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server… CVSS 3.1LOW 3.7
- TI-2010-01304 Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2011-02999 The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft… CVSS 2.0MEDIUM 4.3
- TI-2011-02290 Opera before 11.11 does not properly implement FRAMESET elements, which allows remote… CVSS 2.0HIGH 10.0
- TI-2007-05262 Unspecified vulnerability in Adobe Flash Player 9.0.47.0 and earlier, when running on… CVSS 2.0HIGH 10.0
- TI-2007-00121 Heap-based buffer overflow in Opera 9.02 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 9.3
Sources
- CVE-2005-0456 · CVE Program
- CVE-2005-0456 · NVD
- FIRST EPSS
- GHSA-qq49-j728-jmpv · GitHub Advisory Database · CC BY 4.0
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