01 Record

CVE-2018-11358

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the Q.931 dissector could crash. This was addressed in epan/dissectors/packet-q931.c by avoiding a use-after-free after a malformed packet

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the Q.931 dissector could crash. This was addressed in epan/dissectors/packet-q931.c by avoiding a use-after-free after a malformed packet

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 2.83% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 85.6% of scored records. A rank, not a probability.
NVD base score: 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2018-05-22 21:00Z8 YR AGO

Last updated

2024-08-05 08:10Z2 YR AGO

Reserved

2018-05-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-416Use After FreeVariant

Data version

5.1

Document digest

0f156a536b07d8148f4e5a170e79718eb8679b9f048262e7cd22996c4da4de39

05 Affected products

VendorProductVersionsPlatforms

debiandebian_linuxNot specified—

redhatenterprise_linuxNot specified—

wiresharkwiresharkNot specified—

06 References

www.wireshark.orghttps://www.wireshark.org/security/wnpa-sec-2018-31.htmlx_refsource_CONFIRM
www.securityfocus.com104308http://www.securityfocus.com/bid/104308vdb-entryx_refsource_BID
bugs.wireshark.orghttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14689x_refsource_CONFIRM
www.debian.orgDSA-4217https://www.debian.org/security/2018/dsa-4217vendor-advisoryx_refsource_DEBIAN
code.wireshark.orghttps://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=ccb1ac3c8cec47fbbbf2e80ced80644005c65252x_refsource_CONFIRM
lists.debian.org[debian-lts-announce] 20180528 [SECURITY] [DLA 1388-1] wireshark security updatehttps://lists.debian.org/debian-lts-announce/2018/05/msg00019.htmlmailing-listx_refsource_MLIST
www.securitytracker.com1041036http://www.securitytracker.com/id/1041036vdb-entryx_refsource_SECTRACK
lists.opensuse.orgopenSUSE-SU-2020:0362http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlvendor-advisoryx_refsource_SUSE

01 Record index

CVE-2018-11358

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2018-11358

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References