CVE-2019-11728: mozilla firefox Exposure of Resource to Wrong Sphere
CVSS: 4.7v3.1MediumModified
AliasesUBUNTU-CVE-2019-11728
Published 23-07-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-11728 is a medium (CVSS 4.7) Exposure of Resource to Wrong Sphere vulnerability in mozilla firefox. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v3.1 (NVD)EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 13 · Related 11Timeline
- 23-07-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox < 68.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 4.7Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:NSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated4.7MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Medium 4.7Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
0.00 pp
From 1.12% on 19-09-2026
19-09-202619-10-2026
EPSS score1.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu3 products
- firefox< 68.0+build3-0ubuntu0.16.04.1 | < 68.0+build3-0ubuntu0.18.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
Mozilla1 product
- firefox≥ unspecified, < 68 | < 68.0
Opensuse1 product
- leapEOL15.0 | 15.1
3 vendors · 5 products
References
11 links- bugzilla.mozilla.org/show_bug.cgi?id=1552993X Refsource MISCIssue TrackingPermissions RequiredVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory