How severe is CVE-2024-45626?

CVE-2024-45626 has a CVSS score of 6.5/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2024-45626?

CVE-2024-45626 affects the following packages: org.apache.james:james-server-jmap-draft (Maven), org.apache.james:james-server-jmap-draft (Maven). Ecosystems affected: Maven.

How do I fix CVE-2024-45626?

Update org.apache.james:james-server-jmap-draft to 3.8.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-45626 is resolved across your whole dependency graph.

How do I detect CVE-2024-45626 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.james:james-server-jmap-draft, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2024-45626 if there is no patch (or I can't update yet)?

Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Is CVE-2024-45626 actively exploited in the wild?

No public exploit code has been indexed for CVE-2024-45626 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2024-45626?

CVE-2024-45626 has an EPSS (Exploit Prediction Scoring System) score of 0.8%, placing it in the 57th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2024-45626?

CVE-2024-45626 is classified as Uncontrolled Resource Consumption (CWE-400). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2024-45626 published, and has it been updated?

CVE-2024-45626 was published on February 6, 2025 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

MEDIUM severity

CVE-2024-45626 — james-server-jmap-draft

MEDIUMFix: apache/james-project#1422

CVE-2024-45626 is a medium-severity (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in org.apache.james:james-server-jmap-draft. A fix is available for org.apache.james:james-server-jmap-draft — see the affected versions and patch details below.

Apache James: denial of service through JMAP HTML to text conversion

Also known asGHSA-57m2-h3fw-rxhw

Published

Feb 6, 2025

Updated

Oct 28, 2026

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

0.8%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs57th percentile — riskier than 57% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected

☕org.apache.james:james-server-jmap-draft☕org.apache.james:james-server-jmap-draft

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Apache James server JMAP HTML to text plain implementation in versions below 3.8.2 and 3.7.6 is subject to unbounded memory consumption that can result in a denial of service.

Users are recommended to upgrade to version 3.7.6 and 3.8.2, which fix this issue.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.apache.james:james-server-jmap-draft`	≥ 3.8.0&&< 3.8.2	3.8.2`org.apache.james:james-server-jmap-draft:3.8.2`
☕Maven	`org.apache.james:james-server-jmap-draft`	all versions	3.7.6`org.apache.james:james-server-jmap-draft:3.7.6`

Affected Products

1 product · 2 configurations

Application

james serverapache

≥ 3.8.0 && < 3.8.2

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.james:james-server-jmap-draft, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.james:james-server-jmap-draft to 3.8.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-45626 is resolved across your whole dependency graph.
Workarounds
Cap what an attacker can consume: apply request size, rate and timeout limits in front of the affected component, and run it with memory and CPU limits so exhaustion degrades one worker rather than the whole service.

Frequently Asked Questions

Apache James server JMAP HTML to text plain implementation in versions below 3.8.2 and 3.7.6 is subject to unbounded memory consumption that can result in a denial of service. Users are recommended to upgrade to version 3.7.6 and 3.8.2, which fix this issue.

O3 Security · Impact-Aware SCA

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Find it across Maven, including transitive dependencies.

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CVSS Score

6.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE Classification

CWE-400Uncontrolled Resource Consumption

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Feb 6, 2025

Last updated

Oct 28, 2026

Identifiers

CVE-2024-45626

GHSA-57m2-h3fw-rxhw

References

Advisorygithub.com · CVE 2024 45626.json Advisorylists.apache.org · 1fr9hvpsylomwwfr3rv82g84sxszn4kl Advisorynvd.nist.gov · CVE 2024 45626 Webopenwall.com Webgithub.com Webgithub.com · 372f1f83b6825fb0f92147803a9bf215b8ff690d Webgithub.com · 537ae380f9837f74c075f0ed2b625affa9b20122 Packagegithub.com · james project

Related vulnerabilities

This CVE is medium severity; 8 of 8 other CVEs with CWE-400 are rated as high or higher (top: high).

CVE-2026-125111CVE-2026-119191CVE-2026-102650CVE-2026-63655CVE-2026-59171CVE-2026-76893CVE-2026-62300CVE-2026-118773Browse all CWE-400

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026

CVE-2024-45626 — james-server-jmap-draft

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2024-45626 in your dependencies?