Firefox 3.5.3 3.0.14 Location bar spoofing via tall line-height Unicode characters
Published Sep 10, 2009
5.0
MEDIUMCVSS 2.0
EPSS 2.25%
Description
Visual truncation vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to trigger a vertical scroll and spoof URLs via unspecified Unicode characters with a tall line-height property.
Affected products
No data.
Configuration 1
- ≤ 3.0.13
- 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
- 0.9.1
- 0.9.2
- 0.9.3
- 0.9_rc
- 0.10
- 0.10.1
- 1.0
- 1.0
- 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
- 1.5
- 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
- 2.0
- 2.0
- 2.0
- 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
- 2.0.0.10
- 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
- 2.0_.1
- 2.0_.4
- 2.0_.5
- 2.0_.6
- 2.0_.7
- 2.0_.9
- 2.0_.10
- 2.0_8
- 3.0
- 3.0
- 3.0
- 3.0
- 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
No data.
Red Hat Enterprise Linux 4
firefox-0:3.0.14-1.el4
Fixed · RHSA-2009:1430
Red Hat Enterprise Linux 4
nspr-0:4.7.5-1.el4_8
Fixed · RHSA-2009:1430
Red Hat Enterprise Linux 5
firefox-0:3.0.14-1.el5_4
Fixed · RHSA-2009:1430
Red Hat Enterprise Linux 5
nspr-0:4.7.5-1.el5_4
Fixed · RHSA-2009:1430
Red Hat Enterprise Linux 5
xulrunner-0:1.9.0.14-1.el5_4
Fixed · RHSA-2009:1430
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | firefox-0:3.0.14-1.el4 | Fixed | RHSA-2009:1430 |
| Red Hat Enterprise Linux 4 | nspr-0:4.7.5-1.el4_8 | Fixed | RHSA-2009:1430 |
| Red Hat Enterprise Linux 5 | firefox-0:3.0.14-1.el5_4 | Fixed | RHSA-2009:1430 |
| Red Hat Enterprise Linux 5 | nspr-0:4.7.5-1.el5_4 | Fixed | RHSA-2009:1430 |
| Red Hat Enterprise Linux 5 | xulrunner-0:1.9.0.14-1.el5_4 | Fixed | RHSA-2009:1430 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.25% (0.02245) | 82.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02245) | 80.52th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.72% (0.01724) | 80.73th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.13% (0.05130) | 82.70th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.72% (0.01724) | 81.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.60% (0.00603) | 79.23th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.60% (0.00603) | 77.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.60% (0.00603) | 75.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Feb 13, 2023 | 3.78% (0.03779) | 85.08th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (17)
- http://secunia.com/advisories/36670 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/36671 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/36692 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/37098 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2009/dsa-1885 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2009/mfsa2009-50.html x_refsource_CONFIRMVendor Advisory
- http://www.novell.com/linux/security/advisories/2009_48_firefox.html vendor-advisoryx_refsource_SUSE
- http://www.redhat.com/support/errata/RHSA-2009-1430.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/36343 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1022875 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2009-3078 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=453827 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=521694 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-3078
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10871 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5418 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-3078
Change history (0)
No recorded changes yet.