Is CVE-2025-64486 in the CISA KEV catalog?

No. CVE-2025-64486 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2025-64486?

CVE-2025-64486 has an EPSS score of 0.18% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-64486?

Upgrade calibre on debian 11 to 5.12.0+dfsg-1+deb11u4 or later.

CVE & CISA-KEV Catalog

CVE-2025-64486

UNSCORED

NVD

Description

calibre is an e-book manager. In versions 8.13.0 and prior, calibre does not validate filenames when handling binary assets in FB2 files, allowing an attacker to write arbitrary files on the filesystem when viewing or converting a malicious FictionBook file. This can be leveraged to achieve arbitrary code execution. This issue is fixed in version 8.14.0.

CWE-73External Control of File Name or Path

How to fix

Remediation Available

calibreDebian

Fixed in:5.12.0+dfsg-1+deb11u4CVE-2025-64486

Fixed in:6.13.0+repack-2+deb12u5CVE-2025-64486

Fixed in:8.5.0+ds-1+deb13u1CVE-2025-64486

Fixed in:8.14.0+ds+~0.10.5-1CVE-2025-64486

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.18%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-73 (External Control of File Name or Path) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-39952	Critical	9.8	100%	-	Fix
CVE-2024-8517	Critical	9.8	95%	-	Fix
CVE-2023-4634	Critical	9.8	83%	-	Fix
CVE-2018-17246	Critical	9.8	82%	-	Fix
CVE-2024-43451	Medium	6.5	82%	KEV	Fix
CVE-2025-33053	High	8.8	82%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-12.