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MEDIUM

CVE-2017-5407

CVSS v3

6.5

MEDIUM

EPSS Score

2.7 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2017-5407 Red Hat Product Security273 products fixed

    Mozilla: Pixel and history stealing via floating-point timing side channel with SVG filters (MFSA 2017-06)

  • RHSA-2017:0498 Red Hat Product Security42 products fixed

    Red Hat Security Advisory: thunderbird security update

  • RHSA-2017:0459 Red Hat Product Security50 products fixed

    Red Hat Security Advisory: firefox security update

  • RHSA-2017:0461 Red Hat Product Security27 products fixed

    Red Hat Security Advisory: firefox security update

Full record on NVD

Description

Using SVG filters that don't use the fixed point math implementation on a target iframe, a malicious page can extract pixel values from a targeted user. This can be used to extract history information and read text values across domains. This violates same-origin policy and leads to information disclosure. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Technical details

Published
2018-06-11

Frequently asked questions

What is CVE-2017-5407?

Using SVG filters that don't use the fixed point math implementation on a target iframe, a malicious page can extract pixel values from a targeted user. This can be used to extract history information and read text values across domains. This violates same-origin policy and leads to information disclosure. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Is CVE-2017-5407 actively exploited?

Active exploitation of CVE-2017-5407 has not been confirmed. Its EPSS score was 2.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-5407?

CVE-2017-5407 has a CVSS v3 base score of 6.5 (MEDIUM severity).

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