CVE-2013-5447Forms Viewer Memory Corruption
Stack-based buffer overflow in IBM Forms Viewer 4.x before 4.0.0.3 and 8.x before 8.0.1.1 allows remote attackers to execute arbitrary code via an XFDL form with a long fontname value.
Published Dec 10, 2013 · Updated Apr 28, 2026
Key Facts
Routine patching- CVE-2013-5447 is a medium-severity vulnerability (CVSS 6.8 v2) affecting Forms Viewer (Ibm).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 34% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
34%
Higher than 98.3% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
48/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Stack-based buffer overflow in IBM Forms Viewer 4.x before 4.0.0.3 and 8.x before 8.0.1.1 allows remote attackers to execute arbitrary code via an XFDL form with a long fontname value.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Forms ViewerIbm | 4.0.0, 4.0.0.1, 4.0.0.2, 8.0.0, 8.0.1 | n/a |
Timeline
Publicly disclosed
Dec 10, 2013
Last updated
Apr 28, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisorywww-01.ibm.com · docview.wss
- exploitMSF ibm_forms_viewer_fontname.rb
- exploitExploitDB-30789
- otherpacketstormsecurity.com · 124658
- otherforms-viewer-cve20135447-bo(87911)
FAQ
Common Questions.
Stack-based buffer overflow in IBM Forms Viewer 4.x before 4.0.0.3 and 8.x before 8.0.1.1 allows remote attackers to execute arbitrary code via an XFDL form with a long fontname value.
Affected: Forms Viewer (Ibm) versions 4.0.0, 4.0.0.1, 4.0.0.2, 8.0.0, 8.0.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Is CVE-2013-5447 On Your Attack Surface?
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