CVE-2015-7686

high
Published 2015-10-06 · Modified 2026-05-06
CVSS v3
CVSS v2
7.8
VIR risk
7.8

Description

Algorithmic complexity vulnerability in Address.pm in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-7686

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.912-1
debian debianbullseyefixed1.912-1
debian debianforkyfixed1.912-1
debian debiansidfixed1.912-1
debian debiantrixiefixed1.912-1

Application impact

VendorProductVersionsFixed
email-address_projectemail-address{"endIncluding":"1.908"}

References

CWEs

CWE-20 CWE-399

Verify integrity in audit chain (admin only). AS-IS.