GHSA-4xgv-j62q-h3rj
Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2
GHSA-4xgv-j62q-h3rj is a medium vulnerability (CVSS 5.9) in github.com/pion/dtls/v2, published February 7, 2023. No source lists public exploit code. Fixed in github.com/pion/dtls/v2 2.2.4.
- Severity
- 5.9 MediumCVSS 3.1, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
2.2.4github.com/pion/dtls/v2 +1 more
Description
Impact
During the unmarshalling of a hello verify request we could try to unmarshal into too small a buffer. is could result in a panic leading the program to crash.
This issue could be abused to cause a denial of service.
Workaround
None, upgrade to 2.2.4
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/pion/dtls/v2Go | before 2.2.4 | 2.2.4 |
github.com/pion/dtlsGo | through 1.5.4 | None known |
What each source reports
GitHub Advisories Score used
Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2
Impact
During the unmarshalling of a hello verify request we could try to unmarshal into too small a buffer. is could result in a panic leading the program to crash.
This issue could be abused to cause a denial of service.
Workaround
None, upgrade to 2.2.4
- Record
GHSA-4xgv-j62q-h3rj- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2
Impact
During the unmarshalling of a hello verify request we could try to unmarshal into too small a buffer. is could result in a panic leading the program to crash.
This issue could be abused to cause a denial of service.
Workaround
None, upgrade to 2.2.4
- Record
GHSA-4xgv-j62q-h3rj- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGO-2023-1534No score
Panic during unmarshal of Hello Verify Request in github.com/pion/dtls/v2
Unmarshalling a Hello Verify request can panic, which could allow a denial of service.
- Record
GO-2023-1534- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.