CVE-2022-34293
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a...
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
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
What each source reports
NVD Score used
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
CVE-2022-34293- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
CVE List No score
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
CVE-2022-34293- Updated
- 2026-11-02
EUVDEUVD-2022-37253 No score
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
EUVD-2022-37253- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w837-4755-g9cj
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a...
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
GHSA-w837-4755-g9cj- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVALPINE-CVE-2022-34293
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
ALPINE-CVE-2022-34293- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSVBELL-CVE-2022-34293
CVE-2022-34293 does not affect BellSoft software
- Record
BELL-CVE-2022-34293- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVJLSEC-2026-671
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
JLSEC-2026-671- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2022-34293
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
UBUNTU-CVE-2022-34293- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV No score
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
CVE-2022-34293- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-34293 No score
wolfSSL before 5.4.0 allows remote attackers to cause a denial of service via DTLS because a check for return-routability can be skipped.
- Record
DEBIAN-CVE-2022-34293- Updated
- 2026-11-03
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wolfsslAlpine:v3.17 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.18 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.19 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.20 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.21 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.22 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.23 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslAlpine:v3.24 |
before 5.4.0-r0 | 5.4.0-r0 |
wolfsslDebian:12 |
before 5.5.3-1 | 5.5.3-1 |
wolfsslDebian:13 |
before 5.5.3-1 | 5.5.3-1 |
Show 9 moreShow less
| Package | Affected | Fixed |
|---|---|---|
wolfSSL_jllJulia |
before 5.7.2+0 | 5.7.2+0 |
wolfsslUbuntu:16.04:LTS |
All versions, plus listed versions 3.4.8+dfsg-1 |
None known |
wolfsslUbuntu:18.04:LTS |
All versions, plus listed versions 3.10.2+dfsg-23.12.0+dfsg-13.12.2+dfsg-13.13.0+dfsg-1 |
None known |
wolfsslUbuntu:20.04:LTS |
All versions, plus listed versions 4.1.0+dfsg-24.2.0+dfsg-14.2.0+dfsg-24.2.0+dfsg-34.3.0+dfsg-2 |
None known |
wolfsslUbuntu:22.04:LTS |
All versions, plus listed versions 4.6.0-35.0.0-15.1.1-15.2.0-15.2.0-2 |
None known |
wolfsslUbuntu:24.04:LTS |
All versions, plus listed versions 5.5.4-25.5.4-2.15.6.4-25.6.6-1.25.6.6-1.35.6.6-1.3build1 |
None known |
wolfsslUbuntu:25.10 |
All versions, plus listed versions 5.7.2-0.1 |
None known |
wolfsslUbuntu:26.10 |
All versions, plus listed versions 5.9.1-0.15.9.2-1 |
None known |
wolfsslUbuntu:26.04:LTS |
All versions, plus listed versions 5.7.2-0.15.8.2-1.25.8.4-15.9.1-0.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-34293 is a high vulnerability (CVSS 7.5) in Wolfssl, published August 8, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. Fixed in wolfssl 5.4.0-r0.