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CVE-2024-35296

Apache Traffic Server: Invalid Accept-Encoding can force forwarding requests

8.2 HighFix available

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
Low

Exploit likelihood

1.08%Up 1.0 points since Jul 27, 2024
90%50%10%1%

What each source reports

NVD Score used 8.2

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
CVE-2024-35296
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weakness
CWE-20
Updated
2026-11-02
CVE List 8.2

Apache Traffic Server: Invalid Accept-Encoding can force forwarding requests

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
CVE-2024-35296
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2024-35267 8.2

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
EUVD-2024-35267
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-x5fg-377f-962v 8.2

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force...

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
GHSA-x5fg-377f-962v
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weakness
CWE-20
Updated
2026-11-02
OSV 8.2

Apache Traffic Server: Invalid Accept-Encoding can force forwarding requests

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
CVE-2024-35296
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Weakness
CWE-20
Updated
2026-11-02
OSVDEBIAN-CVE-2024-35296 8.2

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
DEBIAN-CVE-2024-35296
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Updated
2026-11-02
OSVOESA-2024-1981 5.3

trafficserver security update

Apache Traffic Server is an OpenSource HTTP / HTTPS / HTTP/2 / QUIC reverse, forward and transparent proxy and cache.

Security Fix(es):

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.

Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.(CVE-2024-35296)

Record
OESA-2024-1981
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2024-35296 8.2

Invalid Accept-Encoding header can cause Apache Traffic Server to fail cache lookup and force forwarding requests. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

Record
UBUNTU-CVE-2024-35296
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
trafficserver
Debian:12
 before 9.2.5+ds-0+deb12u1, plus listed versions
9.2.0+ds-29.2.0+ds-2+deb12u19.2.1+ds-19.2.2+ds-19.2.3+ds-1
Show 4 moreShow less
9.2.3+ds-1+deb12u19.2.4+ds-0+deb12u19.2.4+ds-19.2.4+ds-2
9.2.5+ds-0+deb12u1
trafficserver
Debian:11
From an advisory covering 3 CVEs
 before 8.1.11+ds-0+deb11u1, plus listed versions
8.1.1+ds-1.18.1.1+ds-1.1+deb11u18.1.10+ds-1~deb11u18.1.5+ds-1~deb11u18.1.6+ds-1~deb10u18.1.6+ds-1~deb11u18.1.7+ds-1~deb11u18.1.9+ds-1~deb11u1
8.1.11+ds-0+deb11u1
trafficserver
Debian:12
From an advisory covering 3 CVEs
 before 9.2.5+ds-0+deb12u1, plus listed versions
9.2.0+ds-29.2.0+ds-2+deb12u19.2.1+ds-19.2.2+ds-19.2.3+ds-1
Show 4 moreShow less
9.2.3+ds-1+deb12u19.2.4+ds-0+deb12u19.2.4+ds-19.2.4+ds-2
9.2.5+ds-0+deb12u1
trafficserver
openEuler:24.03-LTS
 before 9.2.5-1.oe2403
9.2.5-1.oe2403
trafficserver
Ubuntu:16.04:LTS
 All versions, plus listed versions
5.3.0-2ubuntu15.3.0-2ubuntu2
 None known
trafficserver
Ubuntu:18.04:LTS
 All versions, plus listed versions
7.0.0-57.1.2+ds-27.1.2+ds-2build17.1.2+ds-3
 None known
trafficserver
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
8.0.5+ds-18.0.5+ds-28.0.5+ds-2build18.0.5+ds-2ubuntu18.0.5+ds-38.0.5+ds-3ubuntu0.1~esm1
 None known
trafficserver
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
8.1.1+ds-1.19.1.1+ds-2build19.1.1+ds-2ubuntu0.1~esm19.1.1+ds-2ubuntu0.19.1.1+ds-2ubuntu0.1+esm1
 None known
trafficserver
Ubuntu:24.04:LTS
 All versions, plus listed versions
9.2.1+ds-1build19.2.2+ds-19.2.3+ds-19.2.3+ds-1+deb12u19.2.3+ds-1+deb12u1build19.2.3+ds-1+deb12u1build39.2.3+ds-1+deb12u1build49.2.3+ds-1+deb12u1ubuntu0.1
 None known

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-35296 is a high vulnerability (CVSS 8.2) in Apache Traffic Server, published July 26, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in trafficserver 9.2.5+ds-0+deb12u1.

References

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