How severe is CVE-2018-12112?

CVE-2018-12112 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-12112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12112?

CVE-2018-12112 affects Md4c Project Md4c. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12112?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-12112 published?

CVE-2018-12112 was published on 2018-06-11 and last updated on 2026-06-17.

CVE-2018-12112

CVE-2018-12112 is a high-severity vulnerability in Md4c Project Md4c with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Md4c Project Md4c
Published: 2018-06-11
Last modified: 2026-06-17

Description

md_build_attribute in md4c.c in md4c 0.2.6 allows remote attackers to cause a denial of service (Segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.

Frequently asked questions

What is CVE-2018-12112?: md_build_attribute in md4c.c in md4c 0.2.6 allows remote attackers to cause a denial of service (Segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.
How severe is CVE-2018-12112?: CVE-2018-12112 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-12112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12112?: CVE-2018-12112 affects Md4c Project Md4c. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12112?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-12112 published?: CVE-2018-12112 was published on 2018-06-11 and last updated on 2026-06-17.

References

https://github.com/mity/md4c/issues/42

Affected products (1)

cpe:2.3:a:md4c_project:md4c:0.2.6:*:*:*:*:*:*:*

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