CVE-2018-19591

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited 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

5.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 92.3% 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.

Published

2018-12-04 16:00Z7 YR AGO

Last updated

2025-12-03 19:13Z9 MO AGO

Reserved

2018-11-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-404Improper Resource Shutdown or ReleaseClass
• CWE-20Improper Input ValidationClass
• CWE-400Uncontrolled Resource ConsumptionClass

Data version

5.2

Document digest

5f3b43947823eb5ba64aa680b43510b638e54b91751820ceaf60859e3f5d45f1

• sourceware.orghttps://sourceware.org/git/?p=glibc.git%3Ba=blob_plain%3Bf=NEWS%3Bhb=HEADx_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2018-f6b7df660dhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BO7WHN52GFMC5F2I2232GFIPSSXWFV7G/vendor-advisoryx_refsource_FEDORA
• www.securityfocus.com106037http://www.securityfocus.com/bid/106037vdb-entryx_refsource_BID
• sourceware.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=23927x_refsource_CONFIRM
• lists.fedoraproject.orgFEDORA-2018-060302dc83https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M52KE4YR3GNMHQUOS3DKAGZD5TQ5D5UH/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-201903-09https://security.gentoo.org/glsa/201903-09vendor-advisoryx_refsource_GENTOO
• www.securitytracker.com1042174http://www.securitytracker.com/id/1042174vdb-entryx_refsource_SECTRACK
• sourceware.orghttps://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=d527c860f5a3f0ed687bd03f0cb464612dc23408x_refsource_CONFIRM
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190321-0003/x_refsource_CONFIRM
• security.gentoo.orgGLSA-201908-06https://security.gentoo.org/glsa/201908-06vendor-advisoryx_refsource_GENTOO
• usn.ubuntu.comUSN-4416-1https://usn.ubuntu.com/4416-1/vendor-advisoryx_refsource_UBUNTU