CVE-2017-5383: debian debian_linux Improper Input Validation
CVSS: 5.3v3.0MediumModified
AliasesUBUNTU-CVE-2017-5383DEBIAN-CVE-2017-5383
Published 11-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-5383 is a medium (CVSS 5.3) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.41% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.0 (NVD)EPSS score
2.41%
0%100%
Low · -0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 18 · Related 9Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
2.41%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
-0.05 pp
From 2.46% on 19-09-2026
19-09-202619-10-2026
EPSS score2.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat6 products
- enterprise_linuxEOL5.0 | 6.0 | 7.0
- enterprise_linux_desktop5.0 | 6.0 | 7.0
- enterprise_linux_server5.0 | 6.0 | 7.0
- enterprise_linux_server_aus7.3 | 7.4
- enterprise_linux_server_eus7.3 | 7.4 | 7.5
Mozilla3 products
- firefox≥ unspecified, < 51 | < 51.0 | < 45.7.0
- firefox_esr≥ unspecified, < 45.7
- thunderbird≥ unspecified, < 45.7 | < 45.7.0
Debian2 products
- firefox-esr< 45.7.0esr-1
- debian_linuxEOL8.0
Ubuntu2 products
- firefox< 51.0.1+build2-0ubuntu0.14.04.1 | < 51.0.1+build2-0ubuntu0.16.04.1
- thunderbird< 1:45.7.0+build1-0ubuntu0.14.04.1 | < 1:45.7.0+build1-0ubuntu0.16.04.1
4 vendors · 13 products
