Skip to content
OpenAdvisories

Vendor

GNU

139 known vulnerabilities.

139 results · Feed

  • Low 2.1

    Heap buffer overflow in gawk

    Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affect…

  • Medium 5.1

    Use after free in gawk

    Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below.

  • Medium 5.3

    GNU LibreDWG R2004 Section Decompression decode.c decompress_R2004_section heap-based overflow

    A vulnerability was determined in GNU LibreDWG 0.13.4-154-g0b573035. This impacts the function decompress_R2004_section of the file src/decode.c of the component R2004 Section Decompression. Executing a manipulation can lead to heap-based buffer overflow. The…

  • Low 3.3

    GNU LibreDWG DWG File dwg.c dwg_next_entity null pointer dereference

    A vulnerability was found in GNU LibreDWG up to 0.13.4. The impacted element is the function dwg_next_entity of the file src/dwg.c of the component DWG File Handler. Performing a manipulation of the argument next_obj results in null pointer dereference. The a…

  • Medium 5.3

    GNU LibreDWG BMP Image dwg.c dwg_bmp heap-based overflow

    A vulnerability has been found in GNU LibreDWG up to 0.13.4. The affected element is the function dwg_bmp of the file src/dwg.c of the component BMP Image Handler. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. …

  • Medium 4.6

    Loop with Unreachable Exit Condition in GNU patch

    GNU patch is vulnerable to a denial of service (DoS) due to improper validation of hunk (single block of changes in diff) line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to ente…

  • Medium 4.6

    NULL Pointer Dereference in GNU patch

    GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch file. Improper handling of consecutive end-of-file newline markers can corrupt internal hunk (single block of changes in diff) data structures, causin…

  • Medium 6.9

    Global Buffer Overflow in GNU gzip

    GNU gzip contains a global buffer overflow vulnerability in the LZH decompression logic caused by improper reuse of shared global state between different decompression formats within a single execution. GNU gzip maintains a global array that is shared across …

  • Low 2.0

    Predictable Temporary File in GNU gzip

    GNU gzip contains a vulnerability in the gzexe utility related to insecure temporary file handling. When the mktemp utility is not available in the user’s PATH, gzexe falls back to constructing a temporary file path based solely on the process ID (PID). This …

  • Medium 4.0

    GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishand…

  • Low 3.7

    GNU SASL before 2.2.4 lacks sanitization of a short challenge in _gsasl_ntlm_client_step in the NTLM client, which coul…

  • Low 3.7

    GNU Savannah Administration Savane through 3.17 uses untrusted data as part of authorization.

  • High 7.3

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

    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. Th…

  • Low 3.3

    GNU LibreDWG Dwgbmp Utility decode.c read_2004_compressed_section out-of-bounds

    A weakness has been identified in GNU LibreDWG up to 0.14. The impacted element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgbmp Utility. Executing a manipulation can lead to out-of-bounds read. The attack requires…

  • Low 3.3

    GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference

    A security flaw has been discovered in GNU LibreDWG up to 0.14. The affected element is the function match_BLOCK_HEADER of the file dwggrep.c of the component Dwggrep Utility. Performing a manipulation results in null pointer dereference. The attack requires …

  • Low 3.3

    GNU LibreDWG Dwggrep Utility dwggrep.c bit_convert_TU out-of-bounds

    A weakness has been identified in GNU LibreDWG up to 0.14. Affected is the function bit_convert_TU of the file programs/dwggrep.c of the component Dwggrep Utility. This manipulation causes out-of-bounds read. The attack needs to be launched locally. The explo…

  • Low 3.3

    GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference

    A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwg_next_entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a loc…

  • Medium 5.3

    GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section heap-based overflow

    A vulnerability was identified in GNU LibreDWG up to 0.14. This affects the function decompress_R2004_section of the file src/decode.c of the component Dwgread Utility. The manipulation leads to heap-based buffer overflow. The attack must be carried out local…

  • Low 3.3

    GNU LibreDWG Dwgread Utility decode.c decompress_R2004_section assertion

    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 restric…

  • Medium 5.3

    GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow

    A vulnerability was found in GNU LibreDWG up to 0.14. The affected element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgread Utility. Performing a manipulation results in heap-based buffer overflow. The attack is o…

  • High 7.5

    In GNU SASL before 2.2.3, DIGEST-MD5 has a NULL pointer dereference affecting both clients and servers, via a known tok…

  • Medium 4.8

    wget2 Improper Certificate Validation

    wget2 accepts a server certificate with incorrect Key Usage (KU) or Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authenticatio…

  • Low 2.1

    Race Condition in GNU Sed

    When sed is invoked with both -i (in-place edit) and --follow-symlinks, the function open_next_file() performs two separate, non-atomic filesystem operations on the same path: 1. resolves symlink to its target and stores the resolved path for determining when…

  • High 7.3
    CVE-2025-69720 Public exploit

    The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in pro…

  • Low 3.4

    telnet in GNU inetutils through 2.7 allows servers to read arbitrary environment variables from clients via NEW_ENVIRON…

  • Critical 9.8
    CVE-2026-32746 Public exploit EPSS 45%

    telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption…

  • High 7.4
    CVE-2026-28372 Public exploit

    telnetd in GNU inetutils through 2.7 allows privilege escalation that can be exploited by abusing systemd service crede…

  • Critical 9.8
    CVE-2026-24061 Exploited Public exploit EPSS 99%

    telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment…

    KEV Jan 26, 2026
  • Medium 4.9

    Grub2: use-after-free in net_set_vlan

    A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the net_set_vlan command is not properly unregistered when the network modul…

  • Medium 4.9

    Grub2: missing unregister call for normal_exit command may lead to use-after-free

    A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normal_exit command is not properly unregistered when its related module is unloaded. An attacker can exploit this c…

  • Medium 4.9

    Grub2: missing unregister call for normal commands may lead to use-after-free

    A vulnerability has been identified in the GRUB2 bootloader's normal command that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the normal command is not properly unregistered when the module is unloaded.…

  • High 7.8

    Grub2: missing unregister call for gettext command may lead to use-after-free

    A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the o…

  • Medium 4.8

    Grub2: grub2: out-of-bounds write via malicious usb device

    A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. …

  • Medium 4.9

    Grub2: use-after-free in grub_file_close()

    A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid reference to a file system structure. An attacker could ex…

  • Low 3.3

    GNU Binutils ldmisc.c vfinfo out-of-bounds

    A weakness has been identified in GNU Binutils 2.45. The affected element is the function vfinfo of the file ldmisc.c. Executing a manipulation can lead to out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the…

  • Low 3.3

    GNU Binutils prdbg.c tg_tag_type return value

    A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing a manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the pu…

  • Low 3.3

    GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow

    A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed loca…

  • Low 3.3

    GNU Binutils Linker elfxx-x86.c _bfd_x86_elf_late_size_sections out-of-bounds

    A vulnerability was found in GNU Binutils 2.45. Impacted is the function _bfd_x86_elf_late_size_sections of the file bfd/elfxx-x86.c of the component Linker. The manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploi…

  • Low 3.3

    GNU Binutils Linker elflink.c get_link_hash_entry out-of-bounds

    A vulnerability was determined in GNU Binutils 2.45. Affected by this vulnerability is the function get_link_hash_entry of the file bfd/elflink.c of the component Linker. This manipulation causes out-of-bounds read. The attack can only be executed locally. Th…

  • Low 3.3

    GNU Binutils Linker elflink.c elf_link_add_object_symbols out-of-bounds

    A vulnerability was found in GNU Binutils 2.45. Affected is the function elf_link_add_object_symbols of the file bfd/elflink.c of the component Linker. The manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has …