SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2006-1045

The HTML rendering engine in Mozilla Thunderbird 1.5, when "Block loading of remote images in mail messages" is enabled, does not properly block external images from inline HTML attachments, which could allow remote attackers to obtain sensitive…

EXPLOIT ✓LOW 2.6EPSS 4.97%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is low and EPSS is 5.0%. Treat it as high on anything reachable from the internet.

Description

The HTML rendering engine in Mozilla Thunderbird 1.5, when "Block loading of remote images in mail messages" is enabled, does not properly block external images from inline HTML attachments, which could allow remote attackers to obtain sensitive information, such as application version or IP address, when the user reads the email and the external image is accessed.

CVSS 2.0
2.6 LOWAV:N/AC:H/Au:N/C:P/I:N/A:N
EPSS
4.97% probability · 92th percentile
Public exploits
1 in Exploit-DB · verified · first 28 February 2006
CISA KEV
Not listed
Affected
mozilla/thunderbird
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 4.97%26 October 202626 October 2026

EPSS 5.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-27337source ↗Mozilla Thunderbird 1.5 - Multiple Remote Information Disclosure Vulnerabilitiesphp · Crashfrwebapps28 February 2006yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.