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CVE-2026-9605

GNU libredwg Dwgbmp Utility bits.c bit_read_RC heap-based overflow

CVSS 6.9 MEDIUMEPSS 0.3%CWE-119CWE-122
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
GNU · libredwg
public PoCs found — 1
cve_referencegithub.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwgunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwghttps://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300https://github.com/LibreDWG/libredwg/issues/1248https://vuldb.com/submit/818197https://vuldb.com/vuln/365678https://vuldb.com/vuln/365678/ctihttps://www.gnu.org/