High severity · published May 26, 2026
CVE-2026-9605
GNU libredwg Dwgbmp Utility bits.c bit_read_RC heap-based overflow
7.3
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw has been found in GNU libredwg up to 0.13.4.8160. This issue affects the function bit_read_RC of the file bits.c of the component Dwgbmp Utility. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 8f03865f37f5d4ffd616fef802acc980be54d300. Applying a patch is the recommended action to fix this issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
libredwg · GNU
0.13.4.8160 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9605
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9605
github.com
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg
github.com
https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300
github.com
https://github.com/LibreDWG/libredwg/issues/1248
vuldb.com
https://vuldb.com/submit/818197
vuldb.com
https://vuldb.com/vuln/365678
vuldb.com
https://vuldb.com/vuln/365678/cti
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