ruby-nokogiri: CVE-2022-24836: Inefficient Regular Expression Complexity

Debian Bug report logs - #1009787
ruby-nokogiri: CVE-2022-24836: Inefficient Regular Expression Complexity

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: ruby-nokogiri: CVE-2022-24836: Inefficient Regular Expression Complexity

Date: Sun, 17 Apr 2022 21:32:08 +0200

Source: ruby-nokogiri
Version: 1.13.1+dfsg-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for ruby-nokogiri.

CVE-2022-24836[0]:
| Nokogiri is an open source XML and HTML library for Ruby. Nokogiri
| `&lt; v1.13.4` contains an inefficient regular expression that is
| susceptible to excessive backtracking when attempting to detect
| encoding in HTML documents. Users are advised to upgrade to Nokogiri
| `&gt;= 1.13.4`. There are no known workarounds for this issue.


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-2022-24836
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-24836
[1] https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-crjr-9rc5-ghw8
[2] https://github.com/sparklemotion/nokogiri/commit/e444525ef1634b675cd1cf52d39f4320ef0aecfd

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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