CVE-2016-9062

Exp

Private browsing mode leaves metadata information, such as URLs, for sites visited in "browser.db" and "browser.db-wal" files within the Firefox profile after the mode is exited. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50.

Published: 2018-06-11 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-9062 is rated Exploit Available (50/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.40%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2016-9062

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2016-9062

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.40% +0.34%
2 2023-03-07 0.95% 0.06% -0.89%
3 2022-02-04 0.95%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-9062

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 3.0 LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
1.8 1.4 [email protected]
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2016-9062

OS Trackers for CVE-2016-9062

vendor priority summary link
debian unimportant CVE-2016-9062 unimportant priority: Debian including 1 source packages (firefox), 1 status rows across 1 suites (sid): resolved 1. https://security-tracker.debian.org/tracker/CVE-2016-9062
suse medium CVE-2016-9062 severity moderate: SUSE including 56 source package names (MozillaFirefox, MozillaFirefox-102.11.0-150200.152.87.1, …), 75 product×package rows across 23 product lines (SUSE Linux Enterprise Desktop 12 SP1, SUSE Linux Enterprise Module for Desktop Applications 15, … (23 product lines)): Fixed 58, Known Not Affected 17. https://www.suse.com/security/cve/CVE-2016-9062/
ubuntu medium CVE-2016-9062 medium priority: Ubuntu including 2 source packages (firefox, thunderbird), 10 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): not-affected 7, DNE 2, released 1. https://ubuntu.com/security/CVE-2016-9062

Affected software / configurations for CVE-2016-9062

Vendor Product Version Raw CPE
mozilla firefox < 50.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

References for CVE-2016-9062

URL Tags
http://www.securityfocus.com/bid/94337 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037298 Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1294438 Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2016-89/ Vendor Advisory
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