TI-2026-08347 Aliases CVE-2026-9501 GHSA-f6gf-3cj7-46vv

GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion

LOW 21CWE-617Published 2026-05-25 · Updated 2026-05-28

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-617.

Summary

A vulnerability was determined in GNU LibreDWG up to 0.14. The impacted element is the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. Executing a manipulation can lead to reachable assertion. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called e501cb9926c1e9a07a0d1cc997f3e69e9be801c9. A patch should be applied to remediate this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00152 4th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
GNU	LibreDWG	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14	—	No fix listed	CNA

LibreDWG VendorGNU Affected 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gnu:libredwg::::::::	—	—	GNU

cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:* Versions — — ·GNU

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-9501
2026-10-03 Alias added: GHSA-f6gf-3cj7-46vv

References

Exploit 1

https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_assert_fail_decompress_R2004_section.dwg

Patch 1

https://github.com/LibreDWG/libredwg/commit/e501cb9926c1e9a07a0d1cc997f3e69e9be801c9

Other 2

TI-2026-19388 telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root"… KEVCVSS 3.1CRITICAL 9.8
TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
TI-2014-05164 GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the… KEVCVSS 3.1HIGH 8.8
TI-2023-04522 Glibc: buffer overflow in ld.so leading to privilege escalation KEVCVSS 3.1HIGH 7.8
TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8

See all 1272 →

Sources

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