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ubuntucveUbuntu.comUB:CVE-2019-11703
HistoryJun 14, 2019 - 12:00 a.m.

CVE-2019-11703

2019-06-1400:00:00
ubuntu.com
ubuntu.com
26
thunderbird
ical
heap buffer overflow
parser_get_next_char
email messages
exploit
vulnerability
unix

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.173

Percentile

96.2%

A flaw in Thunderbird’s implementation of iCal causes a heap buffer
overflow in parser_get_next_char when processing certain email messages,
resulting in a potentially exploitable crash. This vulnerability affects
Thunderbird < 60.7.1.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchthunderbird< 1:60.7.1+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu18.10noarchthunderbird< 1:60.7.1+build1-0ubuntu0.18.10.1UNKNOWN
ubuntu19.04noarchthunderbird< 1:60.7.1+build1-0ubuntu0.19.04.1UNKNOWN
ubuntu16.04noarchthunderbird< 1:60.7.1+build1-0ubuntu0.16.04.1UNKNOWN

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.173

Percentile

96.2%