CVE-2010-1210: mozilla firefox Improper Input Validation
Vulnerability summary
CVE-2010-1210 is a medium (CVSS 4.3) Improper Input Validation vulnerability in mozilla firefox. EPSS estimates a 1.56% chance of exploitation in the next 30 days, higher than 75.2% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 30-07-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
intl/uconv/util/nsUnicodeDecodeHelper.cpp in Mozilla Firefox before 3.6.7 and Thunderbird before 3.1.1 inserts a U+FFFD sequence into text in certain circumstances involving undefined positions, which might make it easier for remote attackers to conduct cross-site scripting (XSS) attacks via crafted 8-bit text.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.56%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
Increase +0.22 pp
From 1.34% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Mozilla2 products
- firefox≤ 3.6.6 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.6.1 | 0.7 | 0.7.1 | 0.8 | 0.9 | 0.9:rc | 0.9.1 | 0.9.2 | 0.9.3 | 0.10 | 0.10.1 | 1.0 | 1.0:preview_release | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.4.1 | 1.5 | 1.5:beta1 | 1.5:beta2 | 1.5.0.1 | 1.5.0.2 | 1.5.0.3 | 1.5.0.4 | 1.5.0.5 | 1.5.0.6 | 1.5.0.7 | 1.5.0.8 | 1.5.0.9 | 1.5.0.10 | 1.5.0.11 | 1.5.0.12 | 1.5.1 | 1.5.2 | 1.5.3 | 1.5.4 | 1.5.5 | 1.5.6 | 1.5.7 | 1.5.8 | 1.8 | 2.0 | 2.0:beta_1 | 2.0:beta1 | 2.0:rc2 | 2.0:rc3 | 2.0.0.1 | 2.0.0.2 | 2.0.0.3 | 2.0.0.4 | 2.0.0.5 | 2.0.0.6 | 2.0.0.7 | 2.0.0.8 | 2.0.0.9 | 2.0.0.10 | 2.0.0.11 | 2.0.0.12 | 2.0.0.13 | 2.0.0.14 | 2.0.0.15 | 2.0.0.16 | 2.0.0.17 | 2.0.0.18 | 2.0.0.19 | 2.0.0.20 | 2.0.0.21 | 3.0 | 3.0:alpha | 3.0:beta2 | 3.0:beta5 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10 | 3.0.11 | 3.0.12 | 3.0.13 | 3.0.14 | 3.0.15 | 3.0.16 | 3.0.17 | 3.0.19 | 3.1:beta1 | 3.2:beta1 | 3.2:beta2 | 3.2:beta3 | 3.5.1 | 3.5.2 | 3.5.3 | 3.5.4 | 3.5.5 | 3.5.6 | 3.5.7 | 3.5.9 | 3.5.10 | 3.6.1 | 3.6.2 | 3.6.3 | 3.6.4
- thunderbird≤ 3.1 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.7.1 | 0.7.2 | 0.7.3 | 0.8 | 0.9 | 1.0 | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.5:beta | 1.0.6 | 1.0.7 | 1.0.8 | 1.5 | 1.5:beta2 | 1.5.0.1 | 1.5.0.2 | 1.5.0.3 | 1.5.0.4 | 1.5.0.5 | 1.5.0.6 | 1.5.0.7 | 1.5.0.8 | 1.5.0.9 | 1.5.0.10 | 1.5.0.11 | 1.5.0.12 | 1.5.0.13 | 1.5.0.14 | 1.5.1 | 1.5.2 | 1.7.1 | 1.7.3 | 2.0.0.0 | 2.0.0.1 | 2.0.0.2 | 2.0.0.3 | 2.0.0.4 | 2.0.0.5 | 2.0.0.6 | 2.0.0.7 | 2.0.0.8 | 2.0.0.9 | 2.0.0.11 | 2.0.0.12 | 2.0.0.13 | 2.0.0.14 | 2.0.0.15 | 2.0.0.16 | 2.0.0.17 | 2.0.0.18 | 2.0.0.19 | 2.0.0.20 | 2.0.0.21 | 2.0.0.22 | 2.0.0.23 | 3.0 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6
1 vendor · 2 products
References
3 links- bugzilla.mozilla.org/show_bug.cgi?id=564679X Refsource CONFIRM
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11863VDB EntrySignatureX Refsource OVAL