Cyber Resilience

CVE-2024-56139

Medium

Published: 17 December 2024

Published
17 December 2024
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v4 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0034 56.9th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-56139 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability. Its CVSS base score is 6.9 (Medium).

Operationally, ranked in the top 43.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

pdftools is a high level tools to convert PDF files to ePUB formats. In versions up to and including 0.5.0 maliciously crafted epub files can cause a stack overflow leading to a crash. This issue has not yet been addressed…

more

and users are advised to avoid untrusted input to their systems.

CWE(s)
CWE-121

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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In
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References