Insufficient verification of data authenticity in Icedtea-web
Priority LOW 34CWE-345Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-345.
Summary
It was discovered that the IcedTea-Web used codebase attribute of the <applet> tag on the HTML page that hosts Java applet in the Same Origin Policy (SOP) checks. As the specified codebase does not have to match the applet's actual origin, this allowed malicious site to bypass SOP via spoofed codebase value.
Why it matters now
EPSS 0.00827 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
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 |
|---|---|---|---|---|---|
| — | Icedtea-web | Unkown | — | No fix listed | CNA |
- Icedtea-web Vendor— Affected Unkown Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-5236
- 2026-10-03 Alias added: GHSA-f95f-r783-xxx3
References
More Icedtea-web vulnerabilities
- TI-2019-07506 Path traversal in icedtea-web CVSS 3.1HIGH 8.6
- TI-2019-07503 Path traversal in icedtea-web CVSS 3.0HIGH 8.2
- TI-2019-07502 Insufficient verification of data authenticity in icedtea-web CVSS 3.1HIGH 8.1
Sources
- CVE-2015-5236 · CVE Program
- CVE-2015-5236 · NVD
- FIRST EPSS
- GHSA-f95f-r783-xxx3 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-5236 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences