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CVE-2017-18199: realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service...

realloc_symlink in rock.c in GNU libcdio before 1.0.0 allows remote attackers to cause a denial of service (NULL Pointer Dereference) via a crafted iso file.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2017-18199 is a denial-of-service issue in GNU libcdio before 1.0.0. A crafted ISO file can trigger a NULL pointer dereference during Rock Ridge symlink handling, causing a crash. The cited sources do not show active exploitation or code execution. Exposure is most likely where GNU libcdio or dependent software parses ISO/CD images from external or untrusted sources. Systems that never process untrusted ISO files are less exposed. Prioritize remediation for file-processing servers, security tools, or user-facing workflows that ingest ISO images. Treat as lower urgency for isolated desktops or systems without untrusted media parsing. Mitigation focus: Update GNU libcdio to version 1.0.0 or a vendor-supported fixed package.; Review Red Hat or operating system vendor advisories for backported fixes.; Avoid processing ISO files from untrusted sources until fixed..

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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3Source links

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