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CVE-2019-11703

Date: July 23, 2019

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.

Language: Unix

Severity Score

Related Resources (8)

https://bugzilla.mozilla.org/show_bug.cgi?id=1553820
https://security.gentoo.org/glsa/201908-20
https://security-tracker.debian.org/tracker/CVE-2019-11703
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-11703
https://nvd.nist.gov/vuln/detail/CVE-2019-11703
https://www.mozilla.org/security/advisories/mfsa2019-17/
https://access.redhat.com/security/cve/CVE-2019-11703
https://www.mend.io/vulnerability-database/CVE-2019-11703

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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