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CVE-2017-17866

7.8 · HIGH

pdf/pdf-write.c in Artifex MuPDF before 1.12.0 mishandles certain length changes when a repair operation occurs during a clean operation, which allows remote attackers to cause a denial of service…

Published Dec 27, 2017CWE-119EPSS 1.58%

Overview

CVE-2017-17866 is a high-severity vulnerability. It was published on December 27, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

pdf/pdf-write.c in Artifex MuPDF before 1.12.0 mishandles certain length changes when a repair operation occurs during a clean operation, which allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a crafted PDF document.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.ghostscript.com/cgi-bin/findgit.cgi?520cc26d18c9ee245b56e9e91f9d4fcae02be5f0Refbugs.ghostscript.com/show_bug.cgi?id=698699Refwww.debian.org/security/2018/dsa-4334Refwww.ghostscript.com/cgi-bin/findgit.cgi?520cc26d18c9ee245b56e9e91f9d4fcae02be5f0Refbugs.ghostscript.com/show_bug.cgi?id=698699Refwww.debian.org/security/2018/dsa-4334

How CyberStrike helps

Frequently asked questions

What is CVE-2017-17866?

CVE-2017-17866 is a high-severity vulnerability. It was published on December 27, 2017 and has a CVSS 3.0 base score of 7.8 (HIGH).

How severe is CVE-2017-17866?

This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-17866?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-17866?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-17866 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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