CVE-2018-1000001

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

13.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 96.2% 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

Modified. 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

2018-01-31 14:00Z8 YR AGO

Last updated

2024-08-05 12:33Z2 YR AGO

Reserved

2018-01-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

ad42afed292f7b1048cc03ce2a93ba3fb4b30703583c38b36f23c64f3604165f

• seclists.org[oss-security] 20180111 Libc Realpath Buffer Underflow CVE-2018-1000001http://seclists.org/oss-sec/2018/q1/38mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-3534-1https://usn.ubuntu.com/3534-1/vendor-advisoryx_refsource_UBUNTU
• www.halfdog.nethttps://www.halfdog.net/Security/2017/LibcRealpathBufferUnderflow/x_refsource_MISC
• www.securityfocus.com102525http://www.securityfocus.com/bid/102525vdb-entryx_refsource_BID
• www.exploit-db.com44889https://www.exploit-db.com/exploits/44889/exploitx_refsource_EXPLOIT-DB
• www.exploit-db.com43775https://www.exploit-db.com/exploits/43775/exploitx_refsource_EXPLOIT-DB
• usn.ubuntu.comUSN-3536-1https://usn.ubuntu.com/3536-1/vendor-advisoryx_refsource_UBUNTU
• access.redhat.comRHSA-2018:0805https://access.redhat.com/errata/RHSA-2018:0805vendor-advisoryx_refsource_REDHAT
• www.securitytracker.com1040162http://www.securitytracker.com/id/1040162vdb-entryx_refsource_SECTRACK
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20190404-0003/x_refsource_CONFIRM