CVE-2020-21839 : An issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memo

An issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memory leak in dwg_decode_eed ../../src/decode.c:3638.

Published 2021-05-17 21:15:08

Updated 2022-10-26 15:20:13

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-21839

GNU » Libredwg » Version: 0.10
cpe:2.3:a:gnu:libredwg:0.10:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.38%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 57 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Assigned by: nvd@nist.gov (Primary)

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Broken Link

CVEs referencing this url
https://cwe.mitre.org/data/definitions/401.html

CWE - CWE-401: Missing Release of Memory after Effective Lifetime (4.8)
Technical Description

CVEs referencing this url
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574492707

Several bugs found by fuzzing · Issue #188 · LibreDWG/libredwg · GitHub
Exploit;Issue Tracking;Patch;Third Party Advisory

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