CVE-2014-4720
Email::Address module before 1.904 for Perl uses an inefficient regular expression, which allows...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2014-4720- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2014-4720- Updated
- 2026-11-02
EUVDEUVD-2014-4639 No score
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.
- Record
EUVD-2014-4639- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6jmv-rp6j-xp29 No score
Email::Address module before 1.904 for Perl uses an inefficient regular expression, which allows...
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.
- Record
GHSA-6jmv-rp6j-xp29- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2014-4720- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-4720 No score
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.
- Record
DEBIAN-CVE-2014-4720- Updated
- 2026-11-02
OSVMGASA-2014-0389 No score
Updated perl-Email-Address packages fix security vulnerabilities
Updated perl-Email-Address package fixes security vulnerability:
The parse function in Email::Address module before 1.905 for Perl uses an inefficient regular expression, which allows remote attackers to cause a denial of service (CPU consumption) via an empty quoted string in an RFC 2822 address (CVE-2014-0477).
The 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" (CVE-2014-4720).
- Record
MGASA-2014-0389- Updated
- 2026-11-02
OSVUBUNTU-CVE-2014-4720 No score
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.
- Record
UBUNTU-CVE-2014-4720- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libemail-address-perlDebian:12 |
before 1.905-1 | 1.905-1 |
libemail-address-perlDebian:13 |
before 1.905-1 | 1.905-1 |
libemail-address-perlDebian:14 |
before 1.905-1 | 1.905-1 |
libemail-address-perlDebian:7 From an advisory covering 2 CVEs |
before 1.895-1+deb7u1, plus listed versions 1.895-1 |
1.895-1+deb7u1 |
perl-Email-AddressMageia:3 From an advisory covering 2 CVEs |
before 1.905.0-1.mga3 | 1.905.0-1.mga3 |
perl-Email-AddressMageia:4 From an advisory covering 2 CVEs |
before 1.905.0-1.mga4 | 1.905.0-1.mga4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-4720 is a medium vulnerability (CVSS 5.0) in Email\ \, published June 27, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.86%, the 79th percentile. Fixed in libemail-address-perl 1.905-1.