How severe is CVE-2019-7156?

CVE-2019-7156 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-7156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7156?

CVE-2019-7156 affects Libdoc Project Libdoc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-7156?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-7156 published?

CVE-2019-7156 was published on 2019-01-29 and last updated on 2026-06-17.

CVE-2019-7156

CVE-2019-7156 is a medium-severity vulnerability in Libdoc Project Libdoc with a CVSS 3.x base score of 6.5. 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-369.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-369
Affected product: Libdoc Project Libdoc
Published: 2019-01-29
Last modified: 2026-06-17

Description

In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero.

Frequently asked questions

What is CVE-2019-7156?: In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero.
How severe is CVE-2019-7156?: CVE-2019-7156 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-7156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7156?: CVE-2019-7156 affects Libdoc Project Libdoc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-7156?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-7156 published?: CVE-2019-7156 was published on 2019-01-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libdoc_project:libdoc:*:*:*:*:*:*:*:*

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Other CWE-369 (Divide By Zero) vulnerabilities

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CVE-2017-11720 — Critical (CVSS 9.8): There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.
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