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CVE-2022-29190

Header reconstruction method can be thrown into an infinite loop in Pion DTLS

7.5 HighFix available

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

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

1.74%Up 0.9 points since May 21, 2022
90%50%10%1%

What each source reports

CVE List Score used 7.5

Header reconstruction method can be thrown into an infinite loop in Pion DTLS

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Record
CVE-2022-29190
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-835
Updated
2026-11-02
EUVDEUVD-2022-3593 7.5

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Record
EUVD-2022-3593
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-cm8f-h6j3-p25c 7.5

Pion DTLS Header reconstruction method can be thrown into an infinite loop

Impact

An attacker can send packets that will send Pion DTLS into an infinite loop when processing.

Patches

Upgrade to Pion DTLS v2.1.4

Workarounds

No workarounds available, upgrade to Pion DTLS v2.1.4

References

Thank you to Juho Nurminen and the Mattermost team for discovering and reporting this.

For more information

If you have any questions or comments about this advisory:

Record
GHSA-cm8f-h6j3-p25c
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-835
Updated
2026-11-02
NVD 7.5

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Record
CVE-2022-29190
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-835
Updated
2026-11-02
OSV 7.5

Header reconstruction method can be thrown into an infinite loop in Pion DTLS

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Record
CVE-2022-29190
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-835
Updated
2026-11-02
OSVDEBIAN-CVE-2022-29190 7.5

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Record
DEBIAN-CVE-2022-29190
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
Show 5 moreShow less
OSVGHSA-cm8f-h6j3-p25c 7.5

Pion DTLS Header reconstruction method can be thrown into an infinite loop

Impact

An attacker can send packets that will send Pion DTLS into an infinite loop when processing.

Patches

Upgrade to Pion DTLS v2.1.4

Workarounds

No workarounds available, upgrade to Pion DTLS v2.1.4

References

Thank you to Juho Nurminen and the Mattermost team for discovering and reporting this.

For more information

If you have any questions or comments about this advisory:

Record
GHSA-cm8f-h6j3-p25c
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-835
Updated
2026-11-02
OSVUBUNTU-CVE-2022-29190 7.5

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, an attacker can send packets that sends Pion DTLS into an infinite loop when processing. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

Record
UBUNTU-CVE-2022-29190
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
OSVGO-2022-0460 No score

Infinite loop in github.com/pion/dtls/v2

An attacker can send packets that send the DTLS server or client into an infinite loop.

Record
GO-2022-0460
Updated
2026-11-02
OSVUSN-7966-1 No score

snowflake vulnerabilities

It was discovered that Pion DTLS, vendored in Snowflake, did not impose a limit on the amount of data that was buffered during the handshake. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29189)

It was discovered that Pion DTLS, vendored in Snowflake, did not prevent the fragmentBuffer from processing zero length fragments. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29190)

It was discovered that Pion DTLS, vendored in Snowflake, did not require CertificateVerify when Client Cert was sent. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29222)

Record
USN-7966-1
Updated
2026-11-02
OSVUSN-7966-2 No score

telegraf vulnerabilities

USN-7966-1 fixed vulnerabilities in Snowflake. This update provides the corresponding updates for Telegraf.

Original advisory details:

It was discovered that Pion DTLS, vendored in Telegraf, did not impose a limit on the amount of data that was buffered during the handshake. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29189)

It was discovered that Pion DTLS, vendored in Telegraf, did not prevent the fragmentBuffer from processing zero length fragments. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29190)

It was discovered that Pion DTLS, vendored in Telegraf, did not require CertificateVerify when Client Cert was sent. An attacker could possibly use the issue to cause a denial of service. (CVE-2022-29222)

Record
USN-7966-2
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/pion/dtls
Go
 before 2.1.4
2.1.4
github.com/pion/dtls/v2
Go
 before 2.1.4
2.1.4
snowflake
Debian:12
 before 2.2.0-1
2.2.0-1
snowflake
Debian:13
 before 2.2.0-1
2.2.0-1
snowflake
Debian:14
 before 2.2.0-1
2.2.0-1
snowflake
Ubuntu:Pro:22.04:LTS
 before 1.1.0-2ubuntu0.1+esm2, plus listed versions
1.1.0-11.1.0-21.1.0-2ubuntu0.11.1.0-2ubuntu0.1+esm1
1.1.0-2ubuntu0.1+esm2
telegraf
Ubuntu:Pro:22.04:LTS
 before 1.21.4+ds1-0ubuntu2+esm2, plus listed versions
1.19.2+ds1-0ubuntu11.21.2+ds1-0ubuntu11.21.4+ds1-0ubuntu11.21.4+ds1-0ubuntu2
1.21.4+ds1-0ubuntu2+esm2
snowflake
Ubuntu:Pro:22.04:LTS
From an advisory covering 3 CVEs
 before 1.1.0-2ubuntu0.1+esm2, plus listed versions
1.1.0-11.1.0-21.1.0-2ubuntu0.11.1.0-2ubuntu0.1+esm1
1.1.0-2ubuntu0.1+esm2
telegraf
Ubuntu:Pro:22.04:LTS
From an advisory covering 3 CVEs
 before 1.21.4+ds1-0ubuntu2+esm2, plus listed versions
1.19.2+ds1-0ubuntu11.21.2+ds1-0ubuntu11.21.4+ds1-0ubuntu11.21.4+ds1-0ubuntu2
1.21.4+ds1-0ubuntu2+esm2

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-2022-29190 is a high vulnerability (CVSS 7.5) in Pion Dtls, published May 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.74%, the 77th percentile. Fixed in github.com/pion/dtls 2.1.4.

References

Show 8 moreShow less
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