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CVE-2022-29190

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

HIGH
7.5
CVSS Score
Published: May 20, 2022 at 11:55 PM UTC
Updated: June 17, 2026 at 04:39 AM UTC
1 product affected across 1 vendorDtls

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dtls· Pion
95%
v < 2.1.4
Affected range stops below 2.1.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/pion/dtls/commit/e0b2ce3592e8e7d73713ac67b363a2e192a4cecf
x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/pion/dtls/releases/tag/v2.1.4
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/pion/dtls/security/advisories/GHSA-cm8f-h6j3-p25c

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-835

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