CVE-2019-9771

Name: CVE-2019-9771
Creator: NVD / NIST
Published: 2019-03-14T09:29:00.723+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.77%

Last modified Jun 17, 2026

CVE-2019-9771 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function bit_convert_TU at bits.c.. EPSS estimates a 2.77% chance of exploitation in the next 30 days.

Description

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function bit_convert_TU at bits.c.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.77%

84.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions	Update
Gnu	Libredwg	0.7	—
Gnu	Libredwg	0.7.1645	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.htmlThird Party Advisory
http://www.securityfocus.com/bid/107447Broken Link, Third Party Advisory, VDB Entry
https://github.com/LibreDWG/libredwg/issues/99Exploit, Third Party Advisory
https://savannah.gnu.org/bugs/index.php?55893Exploit, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.htmlThird Party Advisory
http://www.securityfocus.com/bid/107447Broken Link, Third Party Advisory, VDB Entry
https://github.com/LibreDWG/libredwg/issues/99Exploit, Third Party Advisory
https://savannah.gnu.org/bugs/index.php?55893Exploit, Third Party Advisory

Timeline

Published: Mar 14, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-9771?

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function bit_convert_TU at bits.c.

How severe is CVE-2019-9771?

CVE-2019-9771 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.77% probability of exploitation in the next 30 days.

How do I fix CVE-2019-9771?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-9771?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST