What is the CVSS score of CVE-2019-19847?

CVE-2019-19847 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2019-19847?

Yes, a public proof-of-concept exploit is available for CVE-2019-19847. Prioritise patching immediately. EPSS: 1.4%.

Libspiro CVE-2019-19847

HIGH

Out-of-bounds Write (CWE-787)

2019-12-17 cve@mitre.org

Buffer Overflow Memory Corruption Libspiro

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 17, 2019 - 16:15 nvd

HIGH 8.1

DescriptionNVD

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

AnalysisAI

Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c. Affected products include: Libspiro Project Libspiro. Version information: through 20190731.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).