CVE-2018-14634

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-01-26. Federal remediation due 2026-02-16.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

14.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 96.3% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. 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

2018-09-25 21:00Z8 YR AGO

Last updated

2026-01-27 13:34Z9 MO AGO

Reserved

2018-07-27

Assigning CNA

redhat

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

eb5d968386e95b642ae7519b9bb83fde16196b89cb205f70dcc2c09a86da4450

• access.redhat.comRHSA-2018:3540https://access.redhat.com/errata/RHSA-2018:3540vendor-advisoryx_refsource_REDHAT
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190204-0002/x_refsource_CONFIRM
• access.redhat.comRHSA-2018:2925https://access.redhat.com/errata/RHSA-2018:2925vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3591https://access.redhat.com/errata/RHSA-2018:3591vendor-advisoryx_refsource_REDHAT
• www.exploit-db.com45516https://www.exploit-db.com/exploits/45516/exploitx_refsource_EXPLOIT-DB
• usn.ubuntu.comUSN-3775-1https://usn.ubuntu.com/3775-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:2933https://access.redhat.com/errata/RHSA-2018:2933vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3779-1https://usn.ubuntu.com/3779-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:2748https://access.redhat.com/errata/RHSA-2018:2748vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3590https://access.redhat.com/errata/RHSA-2018:3590vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-3775-2https://usn.ubuntu.com/3775-2/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:2763https://access.redhat.com/errata/RHSA-2018:2763vendor-advisoryx_refsource_REDHAT
• www.securityfocus.com105407http://www.securityfocus.com/bid/105407vdb-entryx_refsource_BID
• access.redhat.comRHSA-2018:2924https://access.redhat.com/errata/RHSA-2018:2924vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3586https://access.redhat.com/errata/RHSA-2018:3586vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:3643https://access.redhat.com/errata/RHSA-2018:3643vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2018:2846https://access.redhat.com/errata/RHSA-2018:2846vendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20180925 Integer overflow in Linux's create_elf_tables() (CVE-2018-14634)https://www.openwall.com/lists/oss-security/2018/09/25/4mailing-listx_refsource_MLIST
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14634x_refsource_CONFIRM
• support.f5.comhttps://support.f5.com/csp/article/K20934447?utm_source=f5support&amp%3Butm_medium=RSSx_refsource_CONFIRM
• security.paloaltonetworks.comhttps://security.paloaltonetworks.com/CVE-2018-14634x_refsource_CONFIRM
• www.openwall.com[oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1)http://www.openwall.com/lists/oss-security/2021/07/20/2mailing-listx_refsource_MLIST
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14634government-resource