CVE-2018-18456
UnknownEPSS 0.97%
Last modified
CVE-2018-18456 is a vulnerability of currently unknown severity. The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.
Description
The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xpdfreader | Xpdf | 4.00 |
References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217Third Party Advisory
- https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppmThird Party Advisory
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41217Third Party Advisory
- https://github.com/TeamSeri0us/pocs/tree/master/xpdf/2018_10_16/pdftoppmThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-18456?
The function Object::isName() in Object.h (called from Gfx::opSetFillColorN) in Xpdf 4.00 allows remote attackers to cause a denial of service (stack-based buffer over-read) via a crafted pdf file, as demonstrated by pdftoppm.
How severe is CVE-2018-18456?
Severity scoring for CVE-2018-18456 is pending analysis. The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18456?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2018-18456?
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Scan your code nowSource: NVD / NIST