CVE-2017-5405

MEDIUM 5.3CVE-2017-5405 · Published 11/06/2018 · updated 17/06/2026

In short

CVE-2017-5405 is a MEDIUM (CVSS 5.3) vulnerability affecting firefox (mozilla), thunderbird (mozilla).
Chance of exploitation in the next 30 days (EPSS): 2.5%, higher than 85.1% of all vulnerabilities.
Fix: update to 45.8.0, 52.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 45.8.0< 52.0`	`45.8.052.0`
thunderbird mozilla	`< 45.8.0`	`45.8.0`

Description

Certain response codes in FTP connections can result in the use of uninitialized values for ports in FTP operations. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

References

rhn.redhat.com/errata/RHSA-2017-0459.html · Third Party Advisory
rhn.redhat.com/errata/RHSA-2017-0461.html · Third Party Advisory
rhn.redhat.com/errata/RHSA-2017-0498.html · Third Party Advisory
securityfocus.com/bid/96693 · Third Party Advisory
securitytracker.com/id/1037966 · Third Party Advisory
bugzilla.mozilla.org/show_bug.cgi · Exploit
security.gentoo.org/glsa/201705-06 · Third Party Advisory
security.gentoo.org/glsa/201705-07 · Third Party Advisory
debian.org/security/2017/dsa-3805 · Third Party Advisory
debian.org/security/2017/dsa-3832 · Third Party Advisory
mozilla.org/security/advisories/mfsa2017-05 · Vendor Advisory
mozilla.org/security/advisories/mfsa2017-06 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 45.8.0< 52.0

45.8.052.0

thunderbird

mozilla

< 45.8.0

45.8.0

More vulnerabilities in firefox

See all →