CVE-2026-53587

libgit2 prior to 1.8.6 and 1.9.5 contains a heap out-of-bounds read in set_data() within src/libgit2/transports/smart_pkt.c. A fixed-size strncmp on an unvalidated smart-protocol pkt-line buffer allows a malicious Git server to cause format_str to advance past the pkt-line boundary, making the su...

EUVD-2026-63547

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 performs a fixed-size strncmp in setdata in src/libgit2/transports/smartpkt.c without first...

EUVD-2026-63537

msgpackunpackerexpandbuffer in src/unpack.c, reached through the public msgpackunpackerreservebuffer API, computes its new buffer size using an unchecked sizet addition of the requested size and the amount already used. The doubling loop guards its own multiplication against overflow, but the...

CVE-2026-72854

msgpack-c (C MessagePack library) is affected by an integer overflow in msgpack_unpacker_expand_buffer (src/unpack.c), reachable via the public msgpack_unpacker_reserve_buffer API. The doubling loop guards its multiplication against overflow, but the addition in the loop condition is unguarded , ...

CVE-2026-72854 msgpack-c Integer Overflow in msgpack_unpacker_expand_buffer Causes a False-Success Undersized Reservation

msgpackunpackerexpandbuffer in src/unpack.c, reached through the public msgpackunpackerreservebuffer API, computes its new buffer size using an unchecked sizet addition of the requested size and the amount already used. The doubling loop guards its own multiplication against overflow, but the...

CVE-2026-63388

CVE-2026-63388 is a heap out-of-bounds write in libevent (an event notification library) affecting versions prior to 2.1.13 and 2.2.2-alpha . The flaw is in bufferevent_sock.c, where bufferevent_socket_set_conn_address_ copies a kernel-supplied AF_UNIX peer address into a 28-byte conn_address fie...

CVE-2026-54616

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 1.0.88.0 until stable version 6.0.1698.0 and preview version 6.5.1742.0, the Lz4Decode function in NanaZip.Core/SevenZip/CPP/7zip/Archive/SquashfsHandler.cpp rejects only a zero return from LZ4decompresssafe...

CVE-2026-18298

GStreamer PNG File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a...

CVE-2026-18281

Sony XAV-9500ES l2reassemblesdu Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious...

EUVD-2026-63469

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, a crafted CHM file can supply malformed LZX Huffman code lengths to makedecodetable in ext/CHMLib/lzx.c. In the long-code branch, the function writes new internal nodes through nextsymbol before validating that the canonical...

CVE-2026-55586 SumatraPDF: Heap out-of-bounds write in vendored CHMLib LZX Huffman table construction reachable from crafted CHM files

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, a crafted CHM file can supply malformed LZX Huffman code lengths to makedecodetable in ext/CHMLib/lzx.c. In the long-code branch, the function writes new internal nodes through nextsymbol before validating that the canonical...

CVE-2026-55586 SumatraPDF: Heap out-of-bounds write in vendored CHMLib LZX Huffman table construction reachable from crafted CHM files

SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, a crafted CHM file can supply malformed LZX Huffman code lengths to makedecodetable in ext/CHMLib/lzx.c. In the long-code branch, the function writes new internal nodes through nextsymbol before validating that the canonical...

CVE-2026-18307 GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page o...

CVE-2026-18307

GIMP's TIF file parser fails to validate user-supplied data length before copying to a heap buffer, enabling arbitrary code execution in the user's process context after they open a malicious TIFF file. No in-the-wild exploitation is reported; a fix commit is referenced at the GitLab GNOME reposi...

EUVD-2026-63451

GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page o...

CVE-2026-18302 GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page o...

EUVD-2026-63445

GStreamer MRF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a...

CVE-2026-18281 Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnerability

Sony XAV-9500ES l2reassemblesdu Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to pair a malicious...

CVE-2026-18271

Kenwood DNR1007XR is affected by a heap-based buffer overflow in the vCardParser class. The root cause is the lack of proper validation of a user-supplied string before it is copied into a heap-allocated buffer. A physically present attacker can exploit this flaw without authentication to achieve...

EUVD-2026-63481

NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 1.0.88.0 until stable version 6.0.1698.0 and preview version 6.5.1742.0, the Lz4Decode function in NanaZip.Core/SevenZip/CPP/7zip/Archive/SquashfsHandler.cpp rejects only a zero return from LZ4decompresssafe...