CVE-2025-63365: SoftSea EPUB File Reader 1.0.0.0 is vulnerable to Directory Traversal

Routine

HIGH 7.1DOWNGRADE

CVE-2025-63365 is a high-severity flaw (CVSS 7.1) affecting epub file reader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SoftSea EPUB File Reader 1.0.0.0 is vulnerable to Directory Traversal. The vulnerability resides in the EPUB file processing component, specifically in the functionality responsible for extracting and handling EPUB archive contents.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-12-01
Last modified	2026-10-26

Publisher (CNA): MITRE · Vendor: epubfilereader

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-01 19:15 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

epubfilereader epub file reader DOWNGRADE

Affected: 1.0.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.0

1. Check installed version

apt-cache policy epub-file-reader || rpm -q epub-file-reader || epub-file-reader --version

2. No fixed release: DOWNGRADE to a release before 1.0.0.0 (Debian / Ubuntu)

apt-cache madison epub-file-reader sudo apt install epub-file-reader=<VERSION_BEFORE_1.0.0.0> sudo apt-mark hold epub-file-reader

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list epub-file-reader sudo dnf downgrade epub-file-reader-<VERSION_BEFORE_1.0.0.0> sudo dnf versionlock add epub-file-reader

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-63365?

epub file reader: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-63365 being exploited?

CVE-2025-63365 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-63365 affect?

CVE-2025-63365 affects epub file reader. Severity is high (CVSS 7.1). SoftSea EPUB File Reader 1.0.0.0 is vulnerable to Directory Traversal. The vulnerability resides in the EPUB file processing component, specifically in the functionality responsible for extracting and handling EPUB archive contents.

How urgent is CVE-2025-63365?

Priority 30/100. High severity

References

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