CVE-2018-13347

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

2.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 84.7% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/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

2018-07-06 00:00Z8 YR AGO

Last updated

2024-08-05 09:00Z2 YR AGO

Reserved

2018-07-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

3e741bccecc764ef0ee21a273db012f9d9a3c77c020c6979fe66aa55a3eddbbe

• www.mercurial-scm.orghttps://www.mercurial-scm.org/repo/hg-committed/log?rev=modifies%28%22mercurial%2Fmpatch.c%22%29+and+4.5%3A%3Ax_refsource_MISC
• www.mercurial-scm.orghttps://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29x_refsource_MISC
• www.mercurial-scm.orghttps://www.mercurial-scm.org/repo/hg/rev/1acfc35d478cx_refsource_MISC
• access.redhat.comRHSA-2019:2276https://access.redhat.com/errata/RHSA-2019:2276vendor-advisoryx_refsource_REDHAT
• lists.debian.org[debian-lts-announce] 20200731 [SECURITY] [DLA 2293-1] mercurial security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00032.htmlmailing-listx_refsource_MLIST