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CVE-2024-56139

A stack overflow Segmentation Fault (SEGV) and Memory Leak in pdftools

MEDIUM
6.9
CVSS Score
Published: December 17, 2024 at 06:32 PM UTC
Updated: June 17, 2026 at 08:11 AM UTC
1 product affected across 1 vendorPdftools

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRM
Source: [email protected]
https://github.com/leonhad/pdftools/security/advisories/GHSA-hgvf-4pf3-fwc9

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-121

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