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Fencer Intel
medium 6.5

CVE-2020-6611 json

GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.

published 6y ago modified 4mo ago also EUVD-2020-27759

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.

Patch / fix

  • libredwg openSUSE Tumbleweed 0.11.1-1.6
  • libredwg Package Hub 15 SP1 0.10-bp151.2.6.1
  • libredwg openSUSE Leap 15.1 0.10-lp151.2.6.1

opensuse advisories openSUSE-SU-2024:10981-1openSUSE-SU-2020:0115-1openSUSE-SU-2020:0096-1

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Exploit prediction

1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/LibreDWG/libredwg/issues/179#issuecomment-570447190 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.