CVE-2019-20914: gnu libredwg NULL Pointer Dereference
CVSS: 9.8v3.1CriticalModified
Published 16-07-2020Last modified 05-08-2024
Vulnerability summary
CVE-2019-20914 is a critical (CVSS 9.8) NULL Pointer Dereference vulnerability in gnu libredwg. EPSS estimates a 1.92% chance of exploitation in the next 30 days, higher than 79.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.92%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 16-07-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function dwg_encode_common_entity_handle_data in common_entity_handle_data.spec.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.92%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.92% on 20-09-2026
20-09-202620-10-2026
EPSS score1.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLibredwg
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Gnu1 product
- libredwg≤ 0.9.3
1 vendor · 1 product
References
2 links- github.com/LibreDWG/libredwg/commit/3b837bb72d6b9ab4d563faa211f90efc257e3c96X Refsource MISCPatchThird Party Advisory