CVE-2017-7825: debian debian_linux Improper Input Validation
Vulnerability summary
CVE-2017-7825 is a medium (CVSS 5.3) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 9 · Related 8Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Several fonts on OS X display some Tibetan and Arabic characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.60%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
-0.22 pp
From 1.82% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla3 products
- firefox≥ unspecified, < 56 | < 52.4.0 | < 56.0
- firefox_esr≥ unspecified, < 52.4
- thunderbird≥ unspecified, < 52.4 | < 52.4.0
Debian1 product
- debian_linuxEOL7.0
2 vendors · 4 products
References
9 links- lists.debian.org/debian-lts-announce/2017/11/msg00000.htmlMailing ListX Refsource MLISTThird Party Advisory