Description
In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
Published: 2018-07-19
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1451-1 wireshark security update
EUVD EUVD EUVD-2018-6261 In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.
History

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Subscriptions

Debian Debian Linux
Redhat Enterprise Linux
Wireshark Wireshark
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T09:21:41.627Z

Reserved: 2018-07-17T00:00:00.000Z

Link: CVE-2018-14340

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-07-19T02:29:00.267

Modified: 2024-11-21T03:48:51.620

Link: CVE-2018-14340

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-07-18T00:00:00Z

Links: CVE-2018-14340 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses