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No exploitation reportedFix available

CVE-2017-5422

No exploitation reported by the sources we read.

  • Published2018-06-11
  • Fixed in52.0
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

If a malicious site uses the "view-source:" protocol in a series within a single hyperlink, it can trigger a non-exploitable browser crash when the hyperlink is selected. This was fixed by no longer making "view-source:" linkable. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Timeline

dates in UTC
  1. 2018-06-1121:29CVE publishedNVD

Versions per branch

NVD
Mozilla firefox
BranchAffectedFixed in
52.0< 52.052.0
Mozilla thunderbird
BranchAffectedFixed in
52.0< 52.052.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

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.

Packages

  • firefoxUbuntu:16.04:LTSall versions · fixed in 52.0+build2-0ubuntu0.16.04.1
  • firefoxUbuntu:14.04:LTSall versions · fixed in 52.0+build2-0ubuntu0.14.04.1
  • firefox-esropenSUSE:Tumbleweedall versions · fixed in 128.5.1-1.1
  • iceapeMageia:6all versions · fixed in 2.49.1-3.mga6
  • iceapeMageia:5all versions · fixed in 2.49.1-3.mga5
  • MozillaFirefoxopenSUSE:Tumbleweedall versions · fixed in 92.0-1.2
  • MozillaThunderbirdSUSE:Package Hub 12all versions · fixed in 52.1.0-30.1
  • MozillaThunderbirdopenSUSE:Tumbleweedall versions · fixed in 91.1.1-1.1

Full record on NVD

Fix

  1. Update Mozilla firefox to 52.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-06-11
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-2gff-65gq-h5qw

Frequently asked questions

What is CVE-2017-5422?

If a malicious site uses the "view-source:" protocol in a series within a single hyperlink, it can trigger a non-exploitable browser crash when the hyperlink is selected. This was fixed by no longer making "view-source:" linkable. This vulnerability affects Firefox < 52 and Thunderbird < 52.

Is CVE-2017-5422 actively exploited?

Active exploitation of CVE-2017-5422 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-5422?

CVE-2017-5422 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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