Vendor
GNU
139 known vulnerabilities.
GNU at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 8 | 0 |
| Sep 2026 | 16 | 0 |
| Aug 2026 | 9 | 0 |
| Jul 2026 | 14 | 0 |
| Jun 2026 | 5 | 0 |
| May 2026 | 9 | 0 |
| Apr 2026 | 2 | 0 |
| Mar 2026 | 3 | 1 |
| Feb 2026 | 1 | 0 |
| Jan 2026 | 1 | 1 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 6 | 0 |
| Oct 2025 | 7 | 0 |
| Sep 2025 | 4 | 0 |
| Aug 2025 | 3 | 0 |
| Jul 2025 | 5 | 0 |
| Jun 2025 | 3 | 0 |
| May 2025 | 8 | 0 |
| Apr 2025 | 4 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 19 | 0 |
| Jan 2025 | 1 | 0 |
| Dec 2024 | 2 | 0 |
Most common weaknesses
Products
Latest advisories
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Critical max 9.8
Kwetsbaarheid verholpen in GNU Inetutils telnetd
Beveiligingsonderzoekers hebben een een kwetsbaarheid aangetroffen in Inetutils telnetd (versie 2.7). Deze kwetsbaarheid is volgens de onderzoekers al aanwezig sinds versie 1.9.3 die uit is gekomen in 2015.
139 results · Feed
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Medium 6.1
GNU mtools before 4.0.50 has an out-of-bounds write in parse_vses in vfat.c.
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Medium 6.1
GNU LibreDWG through 0.14.8612 Out-of-Bounds Read in acds_private AcDs Decoder
GNU LibreDWG through 0.14.8612 contains a global out-of-bounds read vulnerability in the AcDs decoder acds_private() that allows attackers to read beyond a static table via an unchecked schema property type index. Attackers can supply a crafted R2004 or R2010…
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Medium 5.9
GNU Aspell 0.60.8.2 (first vulnerable version is not known) contains a heap-based buffer overflow write (CWE-122) in it…
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High 7.8
GNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp-user-regexp ha…
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Low 1.8
Integer Truncation Leading to Heap Corruption in GNU Aspell
GNU Aspell contains an integer truncation vulnerability in the WritableDict::add() function in modules/speller/default/writable.cpp. When loading a personal wordlist, the word length is stored as a single byte, causing truncation for words whose length is a m…
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Low 1.8
Out-of-bounds Read in GNU Aspell
GNU Aspell contains an out-of-bounds read vulnerability in ReadOnlyDict::load() in readonly_ws.cpp. When loading a binary .rws dictionary file, it uses offset fields from the file header as byte indices into a heap buffer without validating their bounds. An a…
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Low 1.8
Heap Buffer Overflow in GNU Aspell's prezip utility
GNU Aspell prezip-bin contains a heap-based buffer overflow vulnerability in the decompressor in prog/prezip.c. The decompressor does not properly check buffer space, so a crafted compressed file can cause out-of-bounds read and write operations on the heap. …
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Medium 6.4
Bypass of GRUB lockdown restriction in Secure Boot mode via serial command MMIO base address
A local attacker with control over GRUB's configuration can bypass lockdown restrictions when booting with Secure Boot and load an unsigned GRUB module, while GRUB continues to report lockdown is enabled. The vulnerability is caused by insufficient validation…
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High 7.0
GNU libextractor before 1.16 Privilege Escalation via LIBEXTRACTOR_PREFIX
GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the LIBEXTRACTOR_PREFIX environment variable without proper privilege checks. A local attacker can exploit this by setting LIBEXTRACTOR_PREFIX to a directory containing a ma…
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High 7.5
GNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-sym…
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Low 3.3
GNU Binutils Dynamic Relocation Allocation elfxx-x86.c elf_x86_allocate_dynrelocs null pointer dereference
A vulnerability was detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_allocate_dynrelocs of the file bfd/elfxx-x86.c of the component Dynamic Relocation Allocation. The manipulation results in null pointer dereference. The …
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Low 3.3
GNU Binutils ELF Section elf64-x86-64.c elf_x86_64_common_section_index null pointer dereference
A security vulnerability has been detected in GNU Binutils 2.47. Affected is the function elf_x86_64_common_section_index of the file bfd/elf64-x86-64.c of the component ELF Section Handler. The manipulation leads to null pointer dereference. The attack needs…
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Low 3.3
GNU Binutils elflink.c elf_link_add_object_symbols null pointer dereference
A weakness has been identified in GNU Binutils 2.47. This impacts the function elf_link_add_object_symbols of the file bfd/elflink.c. Executing a manipulation can lead to null pointer dereference. The attack needs to be launched locally. The exploit has been …
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Low 3.3
GNU Binutils Eh Frame elf-eh-frame.c _bfd_elf_eh_frame_section_offset null pointer dereference
A security flaw has been discovered in GNU Binutils 2.47. This affects the function _bfd_elf_eh_frame_section_offset of the file bfd/elf-eh-frame.c of the component Eh Frame Handler. Performing a manipulation results in null pointer dereference. The attack mu…
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High 7.5
GNU libextractor before 1.15 Stack Overflow via OLE2
GNU libextractor before 1.15 contains a stack-based buffer overflow vulnerability in the process_star_office function that sizes a variable-length stack array from attacker-controlled OLE2 stream data. Attackers can craft malicious StarOffice documents that a…
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Medium 5.3
GNU Binutils ELF String Table elf-strtab.c _bfd_elf_strtab_delref memory corruption
A vulnerability was detected in GNU Binutils 2.47. The affected element is the function _bfd_elf_strtab_delref of the file bfd/elf-strtab.c of the component ELF String Table. The manipulation results in memory corruption. The attack requires a local approach.…
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Medium 5.3
GNU Binutils Section Merge merge.c _bfd_write_merged_section null pointer dereference
A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed lo…
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Medium 5.3
GNU Binutils SHT_GROUP Section elf.c bfd_elf_set_group_contents null pointer dereference
A weakness has been identified in GNU Binutils 2.47. This issue affects the function bfd_elf_set_group_contents of the file bfd/elf.c of the component SHT_GROUP Section Handler. Executing a manipulation can lead to null pointer dereference. The attack needs t…
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Medium 5.3
GNU Binutils ELF Orphan Section ldelf.c elf_orphan_compatible null pointer dereference
A security flaw has been discovered in GNU Binutils 2.47. This vulnerability affects the function elf_orphan_compatible of the file ld/ldelf.c of the component ELF Orphan Section Handler. Performing a manipulation results in null pointer dereference. The atta…
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Medium 4.8
GNU Binutils Eh Frame Section elf-eh-frame.c _bfd_elf_write_section_eh_frame buffer overflow
A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the component Eh Frame Section Handler. Performing a manipulation of the argument cie_length/fde_length…
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Medium 5.3
GNU Binutils ld elf64-x86-64.c elf_x86_64_relocate_section buffer overflow
A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An…
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Medium 4.4
GNU Binutils ld libbfd.c bfd_putl64 null pointer dereference
A weakness has been identified in GNU Binutils 2.47. Affected is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. This manipulation causes null pointer dereference. The attack requires local access. The exploit has been made available to …
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Medium 5.3
GNU Binutils ld cache.c cache_bwrite buffer overflow
A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit…
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Low 3.3
GNU libredwg Layer Encoding dwg.spec DWG_TABLE null pointer dereference
A security flaw has been discovered in GNU libredwg 0.13.4. This impacts the function DWG_TABLE of the file src/dwg.spec of the component Layer Encoding. Performing a manipulation results in null pointer dereference. The attack needs to be approached locally.…
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Medium 5.1
Denial of Service in GNU wget
GNU wget is vulnerable to denial of service in its FTP OPIE/S-KEY authentication functionality. The server-supplied sequence number from the FTP challenge line is used as an iteration count for an MD5 key-derivation loop without any upper bound validation. A …
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High 7.1
GNU Emacs < 31.0.91 Heap Over-Read via PBM/PPM/PGM Image Loader
GNU Emacs before 31.0.91 contains an integer overflow in the PBM/PPM/PGM image loader that allows an attacker to leak heap memory contents by supplying a crafted image with large dimensions and an elevated max color index. The image loader multiplies image di…
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Medium 4.6
Improper Output Encoding in GNU cpio
GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio arc…
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Medium 4.6
Uncontrolled Memory Allocation in GNU cpio
GNU cpio is vulnerable to an uncontrolled memory allocation in the make_path function at src/makepath.c. The function uses alloca to allocate stack memory based on the length of argpath, which is derived from an archive-controlled pathname during extraction. …
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Medium 4.6
Path Traversal in GNU cpio
GNU cpio contains a Path Traversal vulnerability in its tar archive extraction functionality. When extracting a tar archive in copy-in mode with the --no-absolute-filenames option, the extracted file name is normalized but the tar hard-link target is passed t…
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Medium 5.3
Heap Use of Uninitialized Memory in GNU Emacs for Android
GNU Emacs for Android improperly validates the table header input in sfnt_read_table_directory() in src/sfnt.c. Due to an incorrect comparison variable in the read-length check, a crafted font file that claims to contain more table directory entries than actu…
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Medium 5.3
Heap Buffer Overflow in GNU Emacs for Android
GNU Emacs for Android is vulnerable to an integer overflow in sfnt_read_name_table() in src/sfnt.c. The function computes an allocation size using a 32-bit length value from a TrueType font file without overflow checking. On 32-bit targets, a crafted font cau…
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Medium 5.3
Integer Overflow in GNU Emacs for Android
GNU Emacs for Android is vulnerable to an integer overflow in the sfnt_read_cmap_format_12() function in src/sfnt.c. When processing a crafted TrueType font file, an unguarded addition in the xmalloc allocation call wraps around on 32-bit builds, causing a he…
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Medium 5.3
Off-by-One Error in GNU Emacs for Android
GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfnt_vary_simple_glyph() and sfnt_vary_compound_glyph() uses a strict greater-than comparison instead of greater-than-or-e…
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Medium 4.6
Arbitrary Output Location Change in GNU Bison
GNU Bison improperly handles grammar‑defined output paths. Grammar directives such as %output and %header allow specifying file paths, which are accepted without restriction and override caller‑supplied output options. When processing attacker-supplied gramma…
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Medium 6.8
Arbitrary Command Execution in GNU Bison
GNU Bison allows for an execution of an arbitrary program during HTML report generation due to improper handling of grammar-defined configuration variables. A grammar file can override the executable used for the XML‑to‑HTML transformation step via %define to…
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Low 1.8
Heap-based Buffer Overflow in GNU coreutils
GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop (-t) values. The multiplication used to calculate the allocation size can wrap around, resulting in an unde…
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Medium 4.6
Out‑of‑bounds Read in GNU coreutils
GNU coreutils uniq is vulnerable to an out‑of‑bounds read due to incorrect handling of multibyte input when the -w (--check-chars) option is used. The find_field() function miscalculates the byte length of characters by repeatedly processing a fixed pointer i…
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Low 2.1
Heap-based Buffer Overflow in GNU diffutils
diff3 tool from GNU diffutils is vulnerable to a heap‑based buffer overflow due to multiple signed integer overflows in line‑mapping calculations. Incorrect arithmetic in mapping line ranges can result in corrupted values being used for memory allocation and …
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Medium 5.1
Stack-based buffer overflow in gawk
Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk (ftype() routine). This issue could be used to crash the program and potentially to achieve code execution, although the latter has not been confirmed to be feasible. I…
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Medium 5.1
Heap buffer overflow in gawk
Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and bel…