CVE-2024-37388: An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of lxml before v4.9.1 allows

Q: How do I fix CVE-2024-37388?

ebookmeta: upgrade to 4.9.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-37388 being exploited?

CVE-2024-37388 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-37388 affect?

CVE-2024-37388 affects ebookmeta. Severity is critical (CVSS 9.1). An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of lxml before v4.9.1 allows attackers to access sensitive information or cause a Denial of Service (DoS) via crafted XML input.

Q: How urgent is CVE-2024-37388?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2024-37388 is a critical-severity flaw (CVSS 9.1) affecting ebookmeta. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of lxml before v4.9.1 allows attackers to access sensitive information or cause a Denial of Service (DoS) via crafted XML input.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-611
Published	2024-06-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dnkorpushov

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-06-07 19:15 UTCPublished CVE record published
2026-06-17 07:38 UTCUpdated Record last modified

dnkorpushov ebookmeta UPGRADE

Affected: < 4.9.1

Fixed in: 4.9.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ebookmeta || rpm -q ebookmeta || ebookmeta --version

2. UPGRADE to 4.9.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ebookmeta

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ebookmeta

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2024-37388?

ebookmeta: upgrade to 4.9.1. Exact commands for each OS are on this page.

Is CVE-2024-37388 being exploited?

CVE-2024-37388 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-2024-37388 affect?

CVE-2024-37388 affects ebookmeta. Severity is critical (CVSS 9.1). An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of lxml before v4.9.1 allows attackers to access sensitive information or cause a Denial of Service (DoS) via crafted XML input.

How urgent is CVE-2024-37388?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-36827 HIGH 7.5 UPGRADE An XML External Entity (XXE) vulnerability in the ebookmeta.get_metadata function of ebookmeta before v1.2.8 a

References

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