CVE-2019-16215

published 2019-09-18

CVE-2019-16215: The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could…

Priority P4 33 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

The Markdown parser in Zulip server before 2.0.5 used a regular expression vulnerable to exponential backtracking. A user who is logged into the server could send a crafted message causing the server to spend an effectively arbitrary amount of CPU time and stall the processing of future messages.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
zulip	zulip_server	< 2.0.5	2.0.5

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 4.0 MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P

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CWE-1333