Your message dated Sat, 03 Oct 2026 07:20:16 +0000
with message-id <[email protected]>
and subject line Bug#1149653: fixed in node-katex 0.16.10+~cs6.1.0-10
has caused the Debian Bug report #1149653,
regarding node-katex: CVE-2026-103923
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1149653: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1149653
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--- Begin Message ---
Source: node-katex
Version: 0.16.10+~cs6.1.0-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/KaTeX/KaTeX/pull/4260
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi,
The following vulnerability was published for node-katex.
CVE-2026-103923[0]:
| KaTeX is a fast, easy-to-use JavaScript library for TeX math
| rendering on the web. From 0.11.0 until 0.18.2, KaTeX uses ordinary
| JavaScript property access for the renderer options object, the
| trust setting, default and processor setting metadata, and namespace
| lookup and group restoration, allowing inherited properties to be
| treated as explicitly supplied values. When Object.prototype is
| already polluted or an attacker controls the options object's
| prototype, attacker-controlled mathematical expressions can use an
| inherited trust value to enable trusted rendering and produce links
| capable of user-interaction cross-site scripting or loading
| attacker-selected external resources in a consuming application that
| inserts unsanitized KaTeX output into a page. KaTeX does not itself
| create the prototype pollution, and rendering an expression alone
| does not execute script. This issue is fixed in version 0.18.2.
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2026-103923
https://www.cve.org/CVERecord?id=CVE-2026-103923
[1] https://github.com/KaTeX/KaTeX/security/advisories/GHSA-238p-pmpm-9mq7
[2] https://github.com/KaTeX/KaTeX/pull/4260
[3]
https://github.com/KaTeX/KaTeX/commit/0adf7e77db6915d991803b29699f82b1ccf8d4f4
Please adjust the affected versions in the BTS as needed.
Regards,
Salvatore
--- End Message ---
--- Begin Message ---
Source: node-katex
Source-Version: 0.16.10+~cs6.1.0-10
Done: Xavier Guimard <[email protected]>
We believe that the bug you reported is fixed in the latest version of
node-katex, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Xavier Guimard <[email protected]> (supplier of updated node-katex package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Sat, 03 Oct 2026 08:53:42 +0200
Source: node-katex
Architecture: source
Version: 0.16.10+~cs6.1.0-10
Distribution: unstable
Urgency: medium
Maintainer: Debian Javascript Maintainers
<[email protected]>
Changed-By: Xavier Guimard <[email protected]>
Closes: 1149653
Changes:
node-katex (0.16.10+~cs6.1.0-10) unstable; urgency=medium
.
* Team upload
* Prevent prototype pollution in settings, namespace lookup and group
restoration (Closes: #1149653, CVE-2026-103923)
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