CVE-2019-9776 — An issue was discovered in GNU LibreDWG 0

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function dwg_dxf_LTYPE at dwg.spec (later than CVE-2019-9779).

01What is this vulnerability?

An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is a NULL pointer dereference in the function dwg_dxf_LTYPE at dwg.spec (later than CVE-2019-9779).

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-03-14T07:00:00.000Z
• Last modified: 2024-08-04T22:01:54.235Z

09References

• savannah.gnu.org — https://savannah.gnu.org/bugs/index.php?55893
• github.com — https://github.com/LibreDWG/libredwg/issues/99
• www.securityfocus.com — http://www.securityfocus.com/bid/107447
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00033.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00045.html