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canonical ubuntu linux 18.04 vulnerabilities and exploits
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7.5
CVSSv2
CVE-2018-18504
A crash and out-of-bounds read can occur when the buffer of a texture client is freed while it is still in use during graphic operations. This results is a potentially exploitable crash and the possibility of reading from the memory of the freed buffers. This vulnerability affect...
Mozilla Firefox
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
5
CVSSv2
CVE-2018-20679
An issue exists in BusyBox prior to 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP server, client, and relay) allows a remote malicious user to leak sensitive information from the stack by sending a crafted DHCP message. This is related to verification in...
Busybox Busybox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.10
4.3
CVSSv2
CVE-2020-12397
By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.
Mozilla Thunderbird
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
4.3
CVSSv2
CVE-2020-12398
If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.
Mozilla Thunderbird
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
5
CVSSv2
CVE-2018-12403
If a site is loaded over a HTTPS connection but loads a favicon resource over HTTP, the mixed content warning is not displayed to users. This vulnerability affects Firefox < 63.
Mozilla Firefox
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
6.8
CVSSv2
CVE-2018-12406
Mozilla developers and community members reported memory safety bugs present in Firefox 63. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firef...
Mozilla Firefox
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 14.04
7.5
CVSSv2
CVE-2018-12407
A buffer overflow occurs when drawing and validating elements with the ANGLE graphics library, used for WebGL content, when working with the VertexBuffer11 module. This results in a potentially exploitable crash. This vulnerability affects Firefox < 64.
Mozilla Firefox
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.10
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 18.04
5
CVSSv2
CVE-2018-5166
WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redirect network traffic and access content from a host for which they do not have explicit user permission. This vulnerability affects Firefox < 60.
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 17.10
Mozilla Firefox
4.3
CVSSv2
CVE-2018-5167
The web console and JavaScript debugger do not sanitize all output that can be hyperlinked. Both will display "chrome:" links as active, clickable hyperlinks in their output. Web sites should not be able to directly link to internal chrome pages. Additionally, the JavaS...
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 17.10
Canonical Ubuntu Linux 14.04
Mozilla Firefox
4.3
CVSSv2
CVE-2018-5169
If manipulated hyperlinked text with "chrome:" URL contained in it is dragged and dropped on the "home" icon, the home page can be reset to include a normally-unlinkable chrome page as one of the home page tabs. This vulnerability affects Firefox < 60.
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 17.10
Mozilla Firefox
CVSSv2
CVSSv2
CVSSv3
VMScore
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