How severe is CVE-2019-19847?

CVE-2019-19847 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-19847 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-2019-19847?

CVE-2019-19847 affects Libspiro Project Libspiro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19847?

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-2019-19847 published?

CVE-2019-19847 was published on 2019-12-17 and last updated on 2026-06-17.

CVE-2019-19847

CVE-2019-19847 is a high-severity vulnerability in Libspiro Project Libspiro with a CVSS 3.x base score of 8.1. 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Libspiro Project Libspiro
Published: 2019-12-17
Last modified: 2026-06-17

Description

Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c.

Frequently asked questions

What is CVE-2019-19847?: Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c.
How severe is CVE-2019-19847?: CVE-2019-19847 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-19847 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-2019-19847?: CVE-2019-19847 affects Libspiro Project Libspiro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19847?: 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-2019-19847 published?: CVE-2019-19847 was published on 2019-12-17 and last updated on 2026-06-17.

References

https://github.com/fontforge/libspiro/issues/21

Affected products (1)

cpe:2.3:a:libspiro_project:libspiro:*:*:*:*:*:*:*:*

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