The parse() method in the Email::Address module through 1.909 for Perl is vulnerable to…
Priority LOW 38CWE-407Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-407.
Summary
The parse() method in the Email::Address module through 1.909 for Perl is vulnerable to Algorithmic complexity on specially prepared input, leading to Denial of Service. Prepared special input that caused this problem contained 30 form-field characters ("\f").
Why it matters now
EPSS 0.02631 85th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:email\:\:address_module_project:email\:\:address:*:*:*:*:*:perl:*:* | address_module_project email\ | Vulnerable |
- cpe:2.3:a:email\:\:address_module_project:email\:\:address:*:*:*:*:*:perl:*:* Versions address_module_project email\ Vulnerable ·Email
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2018-12558
- 2026-10-03 Alias added: GHSA-c2fh-m553-m5hp
References
More Email \ vulnerabilities
- TI-2014-00456 The parse function in Email::Address module before 1.905 for Perl uses an inefficient… CVSS 2.0MEDIUM 5.0
- TI-2014-03884 Email::Address module before 1.904 for Perl uses an inefficient regular expression, which… CVSS 2.0MEDIUM 5.0
- TI-2014-01131 Algorithmic complexity vulnerability in Email::Address::List before 0.02, as used in RT… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2018-12558 · CVE Program
- CVE-2018-12558 · NVD
- FIRST EPSS
- GHSA-c2fh-m553-m5hp · GitHub Advisory Database · CC BY 4.0
- CVE-2018-12558 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences