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Traffic ServerApplication · Apache

CVE-2024-38479

HIGH · 7.5 CVSS v3.1 Published 2024-11-14
Fix available
A fix is available. Upgrade to 9.2.6 or later.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Improper Input Validation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.5. Users are recommended to upgrade to version 9.2.6, which fixes the issue, or 10.0.2, which does not have the issue.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

This is an Improper Input Validation vulnerability in Apache Traffic Server. The vulnerability has a CVSS score of 7.5 (HIGH), indicating that it allows an attacker to inject or manipulate input in a way that could lead to unintended behavior. The specific attack vector and impacted component are not detailed in the available description.

MitigationUpgrade Apache Traffic Server to version 9.2.6 or 10.0.2 to remediate this vulnerability. Organizations running affected versions (8.0.0-8.1.11 or 9.0.0-9.2.5) should prioritize patching given the high severity rating.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Traffic ServerApplication
Affected:>= 8.0.0, <= 8.1.11>= 9.0.0, < 9.2.6

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Apache Traffic Server installation
    Run 'traffic_server -v' or check for binary at /usr/bin/traffic_server, or look for 'trafficserver' process running via 'ps aux | grep traffic'
    Affected if Apache Traffic Server is present on the system
  2. Determine installed version
    Execute 'traffic_server -v' to retrieve version number, or check package manager output (rpm -q trafficserver or dpkg -l trafficserver)
    Affected if Version falls within 8.0.0-8.1.11 or 9.0.0-9.2.5 range
  3. Verify version is within affected range
    Compare your installed version against the affected ranges: 8.0.0 through 8.1.11, or 9.0.0 through 9.2.5
    Affected if Installed version is >= 8.0.0 and <= 8.1.11, OR >= 9.0.0 and < 9.2.6

User is affected if Apache Traffic Server is installed and the running version is 8.0.0-8.1.11 or 9.0.0-9.2.5, as these ranges contain the improper input validation flaw.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 9.2.6 or later
Fixed in 9.2.6
Interim mitigation

Upgrade Apache Traffic Server to version 9.2.6 or 10.0.2 to remediate this vulnerability. Organizations running affected versions (8.0.0-8.1.11 or 9.0.0-9.2.5) should prioritize patching given the high severity rating.

Recommended fix High confidence

9.2.6 or 10.0.2

  1. 1. Identify the current Apache Traffic Server version using 'traffic_server -V' or package manager query
  2. 2. Backup all Traffic Server configuration files (typically in /etc/trafficserver/)
  3. 3. Stop the Traffic Server service using 'systemctl stop trafficserver' or 'traffic_ctl server stop'
  4. 4. Upgrade to version 9.2.6 (or 10.0.2 for the latest major version) using your package manager or by compiling from source
  5. 5. Verify the installed version matches the target using 'traffic_server -V'
  6. 6. Restart the Traffic Server service using 'systemctl start trafficserver' or 'traffic_ctl server start'
  7. 7. Validate that all expected proxy and caching functionality is working correctly
Caveat Major version upgrades may include breaking changes; review release notes for deprecations and configuration changes before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Traffic Server Scoped from the published advisory
  • Consultation4.0 h
  • Implementation4.0 h
  • Testing4.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,480
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-38479 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data