CVE-2018-13348

HIGHNVD 7.5

7.5

The mpatch_decode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001.

CVSS v3: 7.5
EG Score: —
EPSS: 71.4%
KEV: Not listed

Published

July 6, 2018

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
cve@mitrehttps://www.mercurial-scm.org/repo/hg/rev/90a274965de7
cve@mitrehttps://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
af854a3a-2127-422b-91ae-364da2661108https://www.mercurial-scm.org/repo/hg/rev/90a274965de7
af854a3a-2127-422b-91ae-364da2661108https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.6.1_.282018-06-06.29

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
mercurial	0.8.1 ... 4.6rc1 (147 versions)	4.6.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Frequently asked(5)

What is CVE-2018-13348?

CVE-2018-13348 is a high vulnerability published on July 6, 2018. The mpatch_decode function in mpatch.c in Mercurial before 4.6.1 mishandles certain situations where there should be at least 12 bytes remaining after the current position in the patch data, but actually are not, aka OVE-20180430-0001.

When was CVE-2018-13348 disclosed?

CVE-2018-13348 was first published in the National Vulnerability Database on July 6, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-13348 actively exploited?

CVE-2018-13348 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-13348?

CVE-2018-13348 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2018-13348?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-13348, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-13348

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CVE-2018-13348

📅 Published

🔄 Last Modified

🔗 References (6)