GHSA-65xh-hh78-6454
Denial of Service in extension "Code Highlight" (codehighlight)
GHSA-65xh-hh78-6454 is a medium vulnerability (CVSS 4.7) in brotkrueml/codehighlight, published May 15, 2024. No source lists public exploit code. Fixed in brotkrueml/codehighlight 2.7.0.
- Severity
- 4.7 MediumCVSS 3.1, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
2.7.0brotkrueml/codehighlight +1 more
Description
The codehighlight extension bundles a vulnerable version of the 3rd party JavaScript component “prism” which is known to be vulnerable against Regular expression Denial of Service (ReDoS).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Affected packages
| Package | Affected | Fixed |
|---|---|---|
brotkrueml/codehighlightPackagist | before 2.7.0 | 2.7.0 |
brotkrueml/codehighlightPackagist | before 2.7.0, plus listed versions v1.0.0v1.0.1v1.1.0v1.1.1v2.0.0 Show 8 moreShow lessv2.0.1v2.1.0v2.2.0v2.3.0v2.4.0v2.5.0v2.6.0v2.6.1 | 2.7.0 |
What each source reports
GitHub Advisories Score used
Denial of Service in extension "Code Highlight" (codehighlight)
The codehighlight extension bundles a vulnerable version of the 3rd party JavaScript component “prism” which is known to be vulnerable against Regular expression Denial of Service (ReDoS).
- Record
GHSA-65xh-hh78-6454- CVSS 3.1
- 4.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L/E:F/RL:O/RC:C - Updated
- 2026-11-02
OSV
Denial of Service in extension "Code Highlight" (codehighlight)
The codehighlight extension bundles a vulnerable version of the 3rd party JavaScript component “prism” which is known to be vulnerable against Regular expression Denial of Service (ReDoS).
- Record
GHSA-65xh-hh78-6454- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L/E:F/RL:O/RC:C - 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.
References
github.com/brotkrueml/codehighlight/commit/c43d46ef571a3b94a6240782423ce04bfada7fd8
typo3.org/security/advisory/typo3-ext-sa-2021-016