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CVE-2019-19847

23
FAUCET Score

CVE-2019-19847 describes a stack-based buffer overflow vulnerability in the spiro_to_bpath0() function of Libspiro through version 20190731. This high-severity flaw (CVSS 8.1) can be exploited remotely with high attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion, the vulnerability's potential impact warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20190731CPE matchmatch criteria
cpe:2.3:a:libspiro_project:libspiro:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 28th percentile among its peer group of 8,915 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: cbl2 libspiro 20221101-1 on CBL Mariner 2.0Fixed in: 20221101-1
microsoftpatch availablevia msrc
Product: 17038-16823Fixed in: 20221101-1

Vendor Advisories (2)

redhatCVE-2019-19847Moderate

libspiro: stack-based off-by-one buffer overflow in spiro_to_bpath0() in spiro.c

Dec 17, 2019
microsoft2019-Dec/CVE-2019-19847Important

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

Dec 10, 2019

References

github.com / fontforge/libspiro/issues/21
ExploitIssue TrackingThird Party Advisory