CVE-2019-20911: gnu libredwg Infinite Loop
CVSS: 6.5v3.1MediumModified
Published 16-07-2020Last modified 05-08-2024
Vulnerability summary
CVE-2019-20911 is a medium (CVSS 6.5) Infinite Loop vulnerability in gnu libredwg. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.02%
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. Crafted input will lead to denial of service in bit_calc_CRC in bits.c, related to a for loop.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.02%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.02% on 20-09-2026
20-09-202620-10-2026
EPSS score1.02%
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/c6f6668b82bfe595899cc820279ac37bb9ef16f5X Refsource MISCPatchThird Party Advisory