CVE-2018-16839

curl: Integer overflow leading to heap-based buffer overflow in Curl_sasl_create_plain_message()

Published Oct 31, 2018 CVSS 3.0 · 4.3 Medium EPSS 5.8% KEV · Not listed
Description
Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1568-1 curl security update
Debian DSA Debian DSA DSA-4331-1 curl security update
EUVD EUVD EUVD-2018-8635 Curl versions 7.33.0 through 7.61.1 are vulnerable to a buffer overrun in the SASL authentication code that may lead to denial of service.
Ubuntu USN Ubuntu USN USN-3805-1 curl vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Apr 15, 2026, 8:57 PM
Reserved
Sep 11, 2018, 12:00 AM
Status
Modified
Published
Oct 31, 2018, 6:29 PM
Modified
Jun 17, 2026, 1:44 AM
Severity
Low
Public date
Oct 31, 2018, 12:00 AM