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Vulnerability record · CVE-2019-12940 · published 24 June 2019

CVE-2019-12940: Livezilla allocation without limits vulnerability

Livezilla · Livezilla

LiveZilla Server before 8.0.1.1 is vulnerable to Denial Of Service (memory consumption) in knowledgebase.php via a large integer value of the depth parameter.

5.9 CVSS 3.0 Medium EPSS 1.1% · top 35.6% CWE-770 · Allocation without limits
5.9CVSS 3.0 base score, v2 7.1
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

LiveZilla Server before 8.0.1.1 is vulnerable to Denial Of Service (memory consumption) in knowledgebase.php via a large integer value of the depth parameter.

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://forums.livezilla.net/index.php?/topic/10981-fg-vd-19-084-livezilla-server-is-vulnerable-to-denial-of-service/ ExploitThird Party Advisory
https://forums.livezilla.net/index.php?/topic/10981-fg-vd-19-084-livezilla-server-is-vulnerable-to-denial-of-service/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2013-6225Livezilla path traversal vulnerabilityLiveZilla 5.0.1.4 has a Remote Code Execution vulnerabilityEPSS 27%9.8CVE-2019-12960Livezilla sql injection vulnerabilityLiveZilla Server before 8.0.1.1 is vulnerable to SQL Injection in functions.internal.build.inc.php via the parameter p_dt_s_d.EPSS 1.4%9.8CVE-2019-12939Livezilla sql injection vulnerabilityLiveZilla Server before 8.0.1.1 is vulnerable to SQL Injection in server.php via the p_ext_rse parameter.EPSS 1.4%9.6CVE-2020-9758Livezilla cross-site scripting vulnerabilityAn issue was discovered in chat.php in LiveZilla Live Chat 8.0.1.3 (Helpdesk). A blind JavaScript injection lies in the name parameter. Triggering th…EPSS 2.5%8.8CVE-2019-12961Livezilla csv injection vulnerabilityLiveZilla Server before 8.0.1.1 is vulnerable to CSV Injection in the Export Function.EPSS 1.4%7.5CVE-2013-7034Livezilla code injection vulnerabilityThe setCookieValue function in _lib/functions.global.inc.php in LiveZilla before 5.1.2.1 allows remote attackers to execute arbitrary PHP code via a …EPSS 1.6%6.8CVE-2013-7385Livezilla vulnerabilityLiveZilla 5.1.2.1 and earlier includes the MD5 hash of the operator password in plaintext in Javascript code that is generated by lz/mobile/chat.php,…EPSS 1.3%6.1CVE-2019-12962Livezilla cross-site scripting vulnerabilityLiveZilla Server before 8.0.1.1 is vulnerable to XSS in mobile/index.php via the Accept-Language HTTP header.EPSS 9.1%

Source: NIST National Vulnerability Database (record CVE-2019-12940), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.