CVE-2014-4720 json
Email::Address module before 1.904 for Perl uses an inefficient regular expression, which allows remote attackers to cause a denial of serv…
published 2014-07-06 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4639
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
Email::Address module before 1.904 for Perl uses an inefficient regular expression, which allows remote attackers to cause a denial of service (CPU consumption) via vectors related to "backtracking into the phrase," a different vulnerability than CVE-2014-0477.
Patch / fix
- libemail-address-perl Debian 14, Debian 13, Debian 12 1.905-1
debian advisories DEBIAN-CVE-2014-4720
Exploit prediction
1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
Sources
- CVE List CVE-2014-4720
- NVD CVE-2014-4720
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.