CVE-2023-36272
CVE-2023-36272 is a high-severity vulnerability in Gnu Libredwg with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Gnu Libredwg
- Published:
- Last modified:
Description
LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8_to_TU at bits.c.
Frequently asked questions
- What is CVE-2023-36272?
- LibreDWG v0.10 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8_to_TU at bits.c.
- How severe is CVE-2023-36272?
- CVE-2023-36272 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-36272 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-36272?
- CVE-2023-36272 affects Gnu Libredwg. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-36272?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-36272 published?
- CVE-2023-36272 was published on 2023-06-23 and last updated on 2026-06-17.
References
- https://github.com/LibreDWG/libredwg/blob/0.10/src/bits.c#L1677C11-L1683C17
- https://github.com/LibreDWG/libredwg/commit/c1ed1d91e28a6ddc7a9b5479d4795d58fb6be0ca
- https://github.com/LibreDWG/libredwg/issues/681#BUG1
Affected products (1)
- cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*
More vulnerabilities in Gnu Libredwg
- CVE-2022-35164 — Critical (CVSS 9.8): LibreDWG v0.12.4.4608 & commit f2dea29 was discovered to contain a heap use-after-free via bit_copy_chain.
- CVE-2021-28237 — Critical (CVSS 9.8): LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.
- CVE-2019-20914 — Critical (CVSS 9.8): An issue was discovered in GNU LibreDWG through 0.9.3. There is a NULL pointer dereference in the function…
- CVE-2019-9775 — Critical (CVSS 9.1): An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is an out-of-bounds read in the function…
- CVE-2019-9774 — Critical (CVSS 9.1): An issue was discovered in GNU LibreDWG 0.7 and 0.7.1645. There is an out-of-bounds read in the function bit_read_B at…
- CVE-2023-36274 — High (CVSS 8.8): LibreDWG v0.11 to v0.12.5 was discovered to contain a heap buffer overflow via the function bit_write_TF at bits.c.
All CVEs affecting Gnu Libredwg →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…