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CVE-2016-5293

When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an…

Medium5.5EPSS 0.33%
Published
Updated
Reserved
Assigned by
mozilla

Description

When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an arbitrary local file. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.

Scores

CVSS scores of CVE-2016-5293, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS (exploitation in 30 days)
0.33% · top 74% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • Mozilla · Firefox ESR

    • affected unspecified – < 45.5

  • Mozilla · Firefox

    • affected unspecified – < 50

References (6)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .