CVE-2018-5803

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

0.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 57.3% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/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.

Published

2018-06-12 16:00Z8 YR AGO

Last updated

2024-08-05 05:47Z2 YR AGO

Reserved

2018-01-19

Assigning CNA

flexera

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

5aca157b22f217ab63e87228197376bce53bc0972d6a6a7f750f2867b0ddc063

• secuniaresearch.flexerasoftware.com81331https://secuniaresearch.flexerasoftware.com/advisories/81331/third-party-advisoryx_refsource_SECUNIA
• access.redhat.comRHSA-2018:3083https://access.redhat.com/errata/RHSA-2018:3083vendor-advisoryx_refsource_REDHAT
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.25x_refsource_CONFIRM
• www.debian.orgDSA-4187https://www.debian.org/security/2018/dsa-4187vendor-advisoryx_refsource_DEBIAN
• usn.ubuntu.comUSN-3654-1https://usn.ubuntu.com/3654-1/vendor-advisoryx_refsource_UBUNTU
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.51x_refsource_CONFIRM
• access.redhat.comRHSA-2018:1854https://access.redhat.com/errata/RHSA-2018:1854vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3697-1https://usn.ubuntu.com/3697-1/vendor-advisoryx_refsource_UBUNTU
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.102x_refsource_CONFIRM
• www.debian.orgDSA-4188https://www.debian.org/security/2018/dsa-4188vendor-advisoryx_refsource_DEBIAN
• www.spinics.net[netdev] 20180207 [Secunia Research] Linux Kernel Vulnerability - Sending informationhttps://www.spinics.net/lists/netdev/msg482523.htmlmailing-listx_refsource_MLIST
• access.redhat.comRHSA-2018:2948https://access.redhat.com/errata/RHSA-2018:2948vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3697-2https://usn.ubuntu.com/3697-2/vendor-advisoryx_refsource_UBUNTU
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=07f2c7ab6f8d0a7e7c5764c4e6cc9c52951b9d9cx_refsource_CONFIRM
• www.spinics.net[linux-sctp] 20180209 skb_over_panic on INIT/INIT_ACK packet sendinghttps://www.spinics.net/lists/linux-sctp/msg07036.htmlmailing-listx_refsource_MLIST
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.87x_refsource_CONFIRM
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.15.8x_refsource_CONFIRM
• usn.ubuntu.comUSN-3654-2https://usn.ubuntu.com/3654-2/vendor-advisoryx_refsource_UBUNTU
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.121x_refsource_CONFIRM
• usn.ubuntu.comUSN-3698-1https://usn.ubuntu.com/3698-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3656-1https://usn.ubuntu.com/3656-1/vendor-advisoryx_refsource_UBUNTU
• secuniaresearch.flexerasoftware.comhttps://secuniaresearch.flexerasoftware.com/secunia_research/2018-2/x_refsource_MISC
• access.redhat.comRHSA-2018:3096https://access.redhat.com/errata/RHSA-2018:3096vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3698-2https://usn.ubuntu.com/3698-2/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2019:0641https://access.redhat.com/errata/RHSA-2019:0641vendor-advisoryx_refsource_REDHAT