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CVE-2014-4720

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-07-06 · updated 2026-06-17

Description

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.

Affected products

• Email::Address Module Project Email::Address: through 1.903; 1.1, 1.2, 1.3, 1.5, 1.6, 1.7 (+28)

References

• http://seclists.org/oss-sec/2014/q2/563
• https://github.com/rjbs/Email-Address/blob/master/Changes
• http://seclists.org/oss-sec/2014/q2/563
• https://github.com/rjbs/Email-Address/blob/master/Changes

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