CVE-2022-23517: debian debian_linux
Vulnerability summary
CVE-2022-23517 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 1.58% chance of exploitation in the next 30 days, higher than 75.1% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 9 · Related 6Timeline
- 14-12-2022PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue has been patched in version 1.4.4.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · RubygemsEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.58%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
+0.12 pp
From 1.45% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- ruby-rails-html-sanitizer< 1.4.4-1
- debian_linuxEOL10.0
Rails1 product
- rails-html-sanitizer< 1.4.4
RubyGems1 product
- rails-html-sanitizer< 1.4.4
Rubyonrails1 product
- rails_html_sanitizers< 1.4.4
Ubuntu1 product
- ruby-rails-html-sanitizerAll versions (No fix recorded)
5 vendors · 6 products
References
11 links- github.com/rails/rails-html-sanitizer/security/advisories/GHSA-5x79-w82f-gw8wX Refsource CONFIRMREPORTWEBThird Party Advisory
- github.com/rails/rails-html-sanitizer/commit/56c61c0cebd1e493e8ad7bca2a0191609a4a6979X Refsource MISCREPORTWEBPatchThird Party Advisory
