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CVE-2022-32749

Apache Traffic Server: Improperly handled requests can cause crashes in specific plugins

7.5 HighFix available

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions.

This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

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
None
Availability
High

Exploit likelihood

1.39%Up 0.5 points since Dec 20, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions.

This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
CVE-2022-32749
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-754
Updated
2026-11-02
CVE List 7.5

Apache Traffic Server: Improperly handled requests can cause crashes in specific plugins

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions.

This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
CVE-2022-32749
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-754
Updated
2026-11-02
EUVDEUVD-2022-35815 7.5

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions.

This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
EUVD-2022-35815
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-mgj6-q8hw-4xh2 7.5

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache...

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions. This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
GHSA-mgj6-q8hw-4xh2
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-754
Updated
2026-11-02
OSV 7.5

Apache Traffic Server: Improperly handled requests can cause crashes in specific plugins

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions.

This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
CVE-2022-32749
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-754
Updated
2026-11-02
OSVDEBIAN-CVE-2022-32749 7.5

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions. This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
DEBIAN-CVE-2022-32749
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVOESA-2022-2164 7.5

trafficserver security update

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

Security Fix(es):

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions. This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.(CVE-2022-32749)

Improper Check for Unusual or Exceptional Conditions vulnerability in handling the requests to Apache Traffic Server. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.(CVE-2022-37392)

Improper Input Validation vulnerability for the xdebug plugin in Apache Software Foundation Apache Traffic Server can lead to cross site scripting and cache poisoning attacks.This issue affects Apache Traffic Server: 9.0.0 to 9.1.3. Users should upgrade to 9.1.4 or later versions.(CVE-2022-40743)

Record
OESA-2022-2164
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2022-2166 7.5

trafficserver security update

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

Security Fix(es):

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions. This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.(CVE-2022-32749)

Improper Check for Unusual or Exceptional Conditions vulnerability in handling the requests to Apache Traffic Server. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.(CVE-2022-37392)

Improper Input Validation vulnerability for the xdebug plugin in Apache Software Foundation Apache Traffic Server can lead to cross site scripting and cache poisoning attacks.This issue affects Apache Traffic Server: 9.0.0 to 9.1.3. Users should upgrade to 9.1.4 or later versions.(CVE-2022-40743)

Record
OESA-2022-2166
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2022-32749 7.5

Improper Check for Unusual or Exceptional Conditions vulnerability handling requests in Apache Traffic Server allows an attacker to crash the server under certain conditions. This issue affects Apache Traffic Server: from 8.0.0 through 9.1.3.

Record
UBUNTU-CVE-2022-32749
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
trafficserver
Debian:12
 before 9.1.4+ds-1
9.1.4+ds-1
trafficserver
Debian:10
From an advisory covering 4 CVEs
 before 8.1.6+ds-1~deb10u1, plus listed versions
8.0.2+ds-18.0.2+ds-1+deb10u18.0.2+ds-1+deb10u28.0.2+ds-1+deb10u38.0.2+ds-1+deb10u4
Show 19 moreShow less
8.0.2+ds-1+deb10u58.0.2+ds-1+deb10u68.0.2+ds-1+deb10u78.0.3+ds-18.0.3+ds-28.0.3+ds-38.0.3+ds-48.0.5+ds-18.0.5+ds-28.0.5+ds-38.0.6+ds-18.0.7+ds-18.0.8+ds-18.0.8+ds-28.1.0+ds-18.1.0+ds-28.1.1+ds-18.1.1+ds-1.18.1.5+ds-1~deb11u1
8.1.6+ds-1~deb10u1
trafficserver
Debian:11
From an advisory covering 2 CVEs
 before 8.1.6+ds-1~deb11u1, plus listed versions
8.1.1+ds-1.18.1.1+ds-1.1+deb11u18.1.5+ds-1~deb11u18.1.6+ds-1~deb10u1
8.1.6+ds-1~deb11u1
trafficserver
openEuler:20.03-LTS-SP3
From an advisory covering 3 CVEs
 before 9.1.4-1.oe1
9.1.4-1.oe1
trafficserver
openEuler:20.03-LTS-SP1
From an advisory covering 3 CVEs
 before 9.1.4-1.oe1
9.1.4-1.oe1
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

History

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

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

In short

CVE-2022-32749 is a high vulnerability (CVSS 7.5) in Apache Traffic Server, published December 19, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.39%, the 72nd percentile. Fixed in trafficserver 9.1.4+ds-1.

References

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