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High 7.8Published Jun 11, 2018

CVE-2017-7836The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace.

Updated under an hour ago ()

Does this affect you?

It affects mozilla firefox. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

The "pingsender" executable used by the Firefox Health Report dynamically loads a system copy of libcurl, which an attacker could replace. This allows for privilege escalation as the replaced libcurl code will run with Firefox's privileges. Note: This attack requires an attacker have local system access and only affects OS X and Linux. Windows systems are not affected. This vulnerability affects Firefox < 57.

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CVSS
7.8 HIGH (v3.0, NVD)CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-427
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 16, 2026
First seen by InfoSec Signals
Nov 1, 2026

Affected products

Affected products
mozilla firefox
mozilla:firefox
through 56.0.2
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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