Libredwg Security Vulnerabilities

CVE-2020-23861

A heap-based buffer overflow vulnerability exists in LibreDWG 0.10.1 via the read_system_page function at libredwg-0.10.1/src/decode_r2007.c:666:5, which causes a denial of service by submitting a dwg file.

CVE-2020-6609

GNU LibreDWG 0.9.3.2564 has a heap-based buffer over-read in read_pages_map in decode_r2007.c.

CVE-2020-6610

GNU LibreDWG 0.9.3.2564 has an attempted excessive memory allocation in read_sections_map in decode_r2007.c.

CVE-2020-6611

GNU LibreDWG 0.9.3.2564 has a NULL pointer dereference in get_next_owned_entity in dwg.c.

CVE-2020-6612

GNU LibreDWG 0.9.3.2564 has a heap-based buffer over-read in copy_compressed_bytes in decode_r2007.c.

CVE-2020-6613

GNU LibreDWG 0.9.3.2564 has a heap-based buffer over-read in bit_search_sentinel in bits.c.

CVE-2020-6614

GNU LibreDWG 0.9.3.2564 has a heap-based buffer over-read in bfr_read in decode.c.

CVE-2020-6615

GNU LibreDWG 0.9.3.2564 has an invalid pointer dereference in dwg_dynapi_entity_value in dynapi.c (dynapi.c is generated by gen-dynapi.pl).

CVE-2021-28236

LibreDWG v0.12.3 was discovered to contain a NULL pointer dereference via out_dxfb.c.

CVE-2021-28237

LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.

CVE-2021-36080

GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_encode_MTEXT and dwg_encode_add_object).

CVE-2021-39521

An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function bit_read_BB() located in bits.c. It allows an attacker to cause Denial of Service.

CVE-2021-39522

An issue was discovered in libredwg through v0.10.1.3751. bit_wcs2len() in bits.c has a heap-based buffer overflow.

CVE-2021-39523

An issue was discovered in libredwg through v0.10.1.3751. A NULL pointer dereference exists in the function check_POLYLINE_handles() located in decode.c. It allows an attacker to cause Denial of Service.

CVE-2021-39525

An issue was discovered in libredwg through v0.10.1.3751. bit_read_fixed() in bits.c has a heap-based buffer overflow.

CVE-2021-39527

An issue was discovered in libredwg through v0.10.1.3751. appinfo_private() in decode.c has a heap-based buffer overflow.

CVE-2021-39528

An issue was discovered in libredwg through v0.10.1.3751. dwg_free_MATERIAL_private() in dwg.spec has a double free.

CVE-2021-39530

An issue was discovered in libredwg through v0.10.1.3751. bit_wcs2nlen() in bits.c has a heap-based buffer overflow.

CVE-2021-42585

A heap buffer overflow was discovered in copy_compressed_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.

CVE-2021-42586

A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.

CVE-2021-45950

LibreDWG 0.12.4.4313 through 0.12.4.4367 has an out-of-bounds write in dwg_free_BLOCK_private (called from dwg_free_BLOCK and dwg_free_object).

CVE-2022-33024

There is an Assertion `int decode_preR13_entities(BITCODE_RL, BITCODE_RL, unsigned int, BITCODE_RL, BITCODE_RL, Bit_Chain *, Dwg_Data *' failed at dwg2dxf: decode.c:5801 in libredwg v0.12.4.4608.

CVE-2022-33025

LibreDWG v0.12.4.4608 was discovered to contain a heap-use-after-free via the function decode_preR13_section at decode_r11.c.

CVE-2022-33026

LibreDWG v0.12.4.4608 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.

CVE-2022-33027

LibreDWG v0.12.4.4608 was discovered to contain a heap-use-after-free via the function dwg_add_handleref at dwg.c.

CVE-2022-33028

LibreDWG v0.12.4.4608 was discovered to contain a heap buffer overflow via the function dwg_add_object at decode.c.

CVE-2022-33032

LibreDWG v0.12.4.4608 was discovered to contain a heap-buffer-overflow via the function decode_preR13_section_hdr at decode_r11.c.

CVE-2022-33033

LibreDWG v0.12.4.4608 was discovered to contain a double-free via the function dwg_read_file at dwg.c.

CVE-2022-33034

LibreDWG v0.12.4.4608 was discovered to contain a stack overflow via the function copy_bytes at decode_r2007.c.

CVE-2022-35164

LibreDWG v0.12.4.4608 & commit f2dea29 was discovered to contain a heap use-after-free via bit_copy_chain.

CVE-2022-45332

LibreDWG v0.12.4.4643 was discovered to contain a heap buffer overflow via the function decode_preR13_section_hdr at decode_r11.c.

CVE-2023-25222

A heap-based buffer overflow vulnerability exits in GNU LibreDWG v0.12.5 via the bit_read_RC function at bits.c.

CVE-2023-26157

Versions of the package libredwg before 0.12.5.6384 are vulnerable to Denial of Service (DoS) due to an out-of-bounds read involving section->num_pages in decode_r2007.c.

CVE-2023-36271

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_wcs2nlen at bits.c.

CVE-2023-36272

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_utf8_to_TU at bits.c.

CVE-2023-36273

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_calc_CRC at bits.c.

CVE-2023-36274

LibreDWG v0.12.5 was discovered to contain a heap buffer overflow via the function bit_write_TF at bits.c.