| Name | CVE-2019-11387 | 
| Description | An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-942-APPLICATION-ATTACK-SQLI.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| Debian Bugs | 928053 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| modsecurity-crs (PTS) | bullseye | 3.3.0-1+deb11u1 | fixed | 
|  | bullseye (security) | 3.3.4-1~deb11u1 | fixed | 
|  | bookworm | 3.3.4-1 | fixed | 
|  | forky, sid, trixie | 3.3.7-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| modsecurity-crs | source | (unstable) | 3.1.1-1 | unimportant |  | 928053 | 
Notes
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1359
Negligible security impact, doesn't affect the CRS rule set as used
by libapache2-mod-security2, only affects libmodsecurity3 in non-standard settings