Read the docs
TI-2017-05453 Aliases CVE-2017-7836GHSA-c8qj-chqj-f8j2

Uncontrolled search path in Mozilla Firefox

Priority LOW 34CWE-427Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-427.

Summary

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.

Why it matters now

EPSS 0.00328 26th percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 57

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefoxbefore 5757Patch availableCNA
  • Firefox VendorMozilla Affected before 57 Fixed in 57 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*up to 56.0.2VulnerableMozilla
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*all versionsRunning onApple
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*all versionsRunning onLinux
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 56.0.2 Vulnerable ·Mozilla
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions all versions Running on ·Apple
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions all versions Running on ·Linux

Remediation

  • Fix · CNA Firefox (Mozilla) Fixed in 57

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Mozilla Firefox 57

    12 records Highest priority Priority MEDIUM 1 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2017-05444 Memory corruption in Mozilla FirefoxPriority MEDIUM 47
    • TI-2017-05452 Mixed content blocking of insecure (HTTP) sub-resources in a secure (HTTPS) document was…Priority LOW 35
    • TI-2017-05451 Cross-site scripting in Mozilla FirefoxPriority LOW 30
    Show all 12 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-7836
  2. 2026-10-03 Alias added: GHSA-c8qj-chqj-f8j2

References

Advisory 1

Other 1

  • TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
  • TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
  • TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 3444 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences