Mozilla Firefox before 2.0.0.8, Thunderbird before 2.0.0.8, and SeaMonkey before 1.1.5 allows remote attackers to execute arbitrary commands via a (1) mailto, (2) nntp, (3) news, or (4) snews URI with invalid "%" encoding, related to improper file type handling on Windows XP with Internet Explorer 7 installed, a variant of CVE-2007-3845
Published Sep 12, 2007
9.3
HIGHCVSS 2.0
EPSS 2.65%
Description
Mozilla Firefox before 2.0.0.8, Thunderbird before 2.0.0.8, and SeaMonkey before 1.1.5 allows remote attackers to execute arbitrary commands via a (1) mailto, (2) nntp, (3) news, or (4) snews URI with invalid "%" encoding, related to improper file type handling on Windows XP with Internet Explorer 7 installed, a variant of CVE-2007-3845.
Affected products
Remediation
Red Hat statement
Not vulnerable. This flaw does not affect the Linux version of Firefox.
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:M/Au:N/C:C/I:C/A:C
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 1, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.65% (0.02648) | 85.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.65% (0.02648) | 83.59th | v5 (v2026.06.15) |
| May 1, 2026 | 9.26% (0.09259) | 92.75th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.94% (0.07938) | 91.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.10% (0.03101) | 91.41th | v3 (v2023.03.01) |
| Jul 16, 2024 | 2.57% (0.02568) | 90.37th | v3 (v2023.03.01) |
| Jun 8, 2024 | 2.28% (0.02278) | 89.63th | v3 (v2023.03.01) |
| May 1, 2024 | 1.75% (0.01755) | 87.82th | v3 (v2023.03.01) |
| Feb 14, 2024 | 1.49% (0.01495) | 86.47th | v3 (v2023.03.01) |
| Sep 18, 2023 | 1.65% (0.01650) | 86.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.53% (0.01526) | 84.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.93% (0.03932) | 85.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.93% (0.03932) | 84.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.93% (0.03932) | 67.70th | v2 (v2022.01.01) |
References (20)
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742 vendor-advisoryx_refsource_HP
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00774579 vendor-advisoryx_refsource_HP
- http://secunia.com/advisories/27311 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27315 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27360 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27414 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27744 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28363 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28398 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2007&m=slackware-security.471007 vendor-advisoryx_refsource_SLACKWARE
- http://www.mandriva.com/en/security/advisories?name=MDKSA-2007:202 vendor-advisoryx_refsource_MANDRIVA
- http://www.mozilla.org/security/announce/2007/mfsa2007-36.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/25543 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/3544 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2008/0082 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2008/0083 vdb-entryx_refsource_VUPENVendor Advisory
- http://xs-sniper.com/blog/2007/09/01/firefox-file-handling-woes/ x_refsource_MISC
- https://access.redhat.com/security/cve/CVE-2007-4841 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2007-4841
- https://www.cve.org/CVERecord?id=CVE-2007-4841
Change history (0)
No recorded changes yet.