CVE-2016-5288: mozilla firefox
Vulnerability summary
CVE-2016-5288 is a medium (CVSS 5.9) vulnerability in mozilla firefox. EPSS estimates a 1.74% chance of exploitation in the next 30 days, higher than 77.7% of scored vulnerabilities.
Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Web content could access information in the HTTP cache if e10s is disabled. This can reveal some visited URLs and the contents of those pages. This issue affects Firefox 48 and 49. This vulnerability affects Firefox < 49.0.2.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.74%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
Decrease -0.04 pp
From 1.77% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Mozilla1 product
- firefox≥ unspecified, < 49.0.2 | < 49.0.2
Ubuntu1 product
- firefox< 49.0.2+build2-0ubuntu0.14.04.1 | < 49.0.2+build2-0ubuntu0.16.04.2
2 vendors · 2 products