Debian Security Advisory

DLA-2511-1 highlight.js -- LTS security update

Date Reported:
30 Dec 2020
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-26237.
More information:

An issue has been found in highlight.js, a JavaScript library for syntax highlighting. If a website or application renders user provided data it might be affected by a Prototype Pollution. This might result in strange behavior or crashes of applications that do not correctly handle unknown properties.

For Debian 9 stretch, this problem has been fixed in version 8.2+ds-5+deb9u1.

We recommend that you upgrade your highlight.js packages.

For the detailed security status of highlight.js please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: