CVE-2014-4179
Denial of Service in yar
Versions of yar prior to 2.2.0 are affected by a denial of service vulnerability related to an invalid encrypted session cookie value.
When an invalid encryped session cookie value is provided, the process will crash.
Recommendation
Update to version 2.2.0 or later.
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
What each source reports
GitHub Advisories Score usedGHSA-gg6m-fhqv-hg56
Denial of Service in yar
Versions of yar prior to 2.2.0 are affected by a denial of service vulnerability related to an invalid encrypted session cookie value.
When an invalid encryped session cookie value is provided, the process will crash.
Recommendation
Update to version 2.2.0 or later.
- Record
GHSA-gg6m-fhqv-hg56- 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 - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVGHSA-gg6m-fhqv-hg56
Denial of Service in yar
Versions of yar prior to 2.2.0 are affected by a denial of service vulnerability related to an invalid encrypted session cookie value.
When an invalid encryped session cookie value is provided, the process will crash.
Recommendation
Update to version 2.2.0 or later.
- Record
GHSA-gg6m-fhqv-hg56- 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 - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
yarnpm |
before 2.2.0 | 2.2.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-4179 is a high vulnerability (CVSS 7.5) in yar, published September 1, 2020. No source lists public exploit code. Fixed in yar 2.2.0.