CVE-2014-8881
Regular Expression Denial of Service in bleach
All versions of the bleach package are vulnerable to a regular expression denial of service attack when certain types of input are passed into the sanitize function.
Recommendation
The bleach package is not currently maintained, and has not seen an update since 2014.
To mitigate this issue, it is necessary to use an alternative module that is actively maintained and provides similar functionality. There are multiple modules fitting this criteria available on npm..
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
- Low
What each source reports
GitHub Advisories Score usedGHSA-mvmf-cvfx-qg55
Regular Expression Denial of Service in bleach
All versions of the bleach package are vulnerable to a regular expression denial of service attack when certain types of input are passed into the sanitize function.
Recommendation
The bleach package is not currently maintained, and has not seen an update since 2014.
To mitigate this issue, it is necessary to use an alternative module that is actively maintained and provides similar functionality. There are multiple modules fitting this criteria available on npm..
- Record
GHSA-mvmf-cvfx-qg55- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVGHSA-mvmf-cvfx-qg55
Regular Expression Denial of Service in bleach
All versions of the bleach package are vulnerable to a regular expression denial of service attack when certain types of input are passed into the sanitize function.
Recommendation
The bleach package is not currently maintained, and has not seen an update since 2014.
To mitigate this issue, it is necessary to use an alternative module that is actively maintained and provides similar functionality. There are multiple modules fitting this criteria available on npm..
- Record
GHSA-mvmf-cvfx-qg55- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
bleachnpm |
0.0.0 and later | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-8881 is a medium vulnerability (CVSS 5.3) in bleach, published September 1, 2020. No source lists public exploit code. No source names a fixed version.