Multiple format string vulnerabilities in log_subscriber.rb files in the log subscriber…
Priority LOW 26CWE-134Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Partial Red Hat: 1 fixed, 6 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-134 and the CVSS impact.
Summary
Multiple format string vulnerabilities in log_subscriber.rb files in the log subscriber component in Action Mailer in Ruby on Rails 3.x before 3.2.15 allow remote attackers to cause a denial of service via a crafted e-mail address that is improperly handled during construction of a log message.
Why it matters now
EPSS 0.03135 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial actionmailer (RubyGems): 3.2.15Red Hat: 1 fixed, 6 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | actionmailer (RubyGems) | 3.0.0 to before 3.2.15 | 3.2.15 | Patch available | GHSA-rg5m-3fqp-6px8 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- actionmailer (RubyGems) Vendor— Affected 3.0.0 to before 3.2.15 Fixed in 3.2.15 Patch available GHSA-rg5m-3fqp-6px8
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* | 3.0.0 to before 3.2.15 | Vulnerable | Rails |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
- cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.2.15 Vulnerable ·Rails
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
Remediation
- Fix · GHSA-rg5m-3fqp-6px8 actionmailer (RubyGems) Fixed in 3.2.15 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Enterprise 1 | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 3 | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 4 | Affected | No fix planned: Will not fix |
| Red Hat Satellite 6 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
| Red Hat Subscription Asset Manager | Affected | No fix planned: Will not fix |
| CloudForms Management Engine 5.4 | Fixed | — |
Not affected: 1 product
- Red Hat Subscription Asset Manager
Timeline
- 2026-10-02 Threatist record created from CVE-2013-4389
- 2026-10-03 Alias added: GHSA-rg5m-3fqp-6px8
References
Advisory 7
Sources
- CVE-2013-4389 · CVE Program
- CVE-2013-4389 · NVD
- FIRST EPSS
- GHSA-rg5m-3fqp-6px8 · GitHub Advisory Database · CC BY 4.0
- CVE-2013-4389 · Red Hat security data · CC BY 4.0
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