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CVE-2020-21831

HighCVSS 8.8/10Last modified Jul 9, 2026

Description

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_handles ../../src/decode.c:2637.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

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

References

https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493267Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493267Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: May 17, 2021
Last modified: Jul 9, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-218328.8A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2417.CVE-2020-218338.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_classes ../../src/decode.c:2440.CVE-2020-218346.5A null pointer deference issue exists in GNU LibreDWG 0.10 via get_bmp ../../programs/dwgbmp.c:164.CVE-2020-218356.5A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.CVE-2020-218368.8A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_preview ../../src/decode.c:3175.CVE-2020-218388.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_appinfo ../../src/decode.c:2842.CVE-2020-218396.5An issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memory leak in dwg_decode_eed ../../src/decode.c:3638.CVE-2020-21844.3A cross-site request forgery vulnerability in Jenkins CVS Plugin 2.15 and earlier allows attackers to create and manipulate tags, and to con CVE-2020-218408.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_search_sentinel ../../src/bits.c:1985.CVE-2020-218418.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_B ../../src/bits.c:135.CVE-2020-218428.8A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_revhistory ../../src/decode.c:3051.CVE-2020-218438.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_RC ../../src/bits.c:318.