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Vulnerabilidades publicadas, com severidade, exploração conhecida e fontes oficiais.
CVE-2026-20864
Alta · 7.8
CWE-122 13/01/2026
Windows Connected Devices Platform Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-20840
Alta · 7.8
CWE-122 13/01/2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-20837
Alta · 7.8
CWE-122 13/01/2026
Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
CVE-2026-20820
Alta · 7.8
CWE-122 13/01/2026
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-20809
Alta · 7.8
CWE-122 13/01/2026
Windows Kernel Memory Elevation of Privilege Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.
CVE-2025-68795
Alta · 7.8
CWE-122 13/01/2026
ethtool: Avoid overflowing userspace buffer on stats query
In the Linux kernel, the following vulnerability has been resolved:
ethtool: Avoid overflowing userspace buffer on stats query
The ethtool -S command operates across three ioctl calls:
ETHTOOL_GSSET_INFO for the size, ETHTOOL_GSTRINGS for the names, and
ETHTOOL_GSTATS for the values.
If the number of stats changes between these calls (e.g., due to device
reconfiguration), userspace's buffer allocation will be incorrect,
potentially leading to buffer overflow.
Drivers are generally expected to maintain stable stat counts, but some
drivers (e.g., mlx5, bnx2x, bna, ksz884x) use dynamic counters, making
this scenario possible.
Some drivers try to handle this internally:
- bnad_get_ethtool_stats() returns early in case stats.n_stats is not
equal to the driver's stats count.
- micrel/ksz884x also makes sure not to write anything beyond
stats.n_stats and overflow the buffer.
However, both use stats.n_stats which is already assigned with the value
returned from get_sset_count(), hence won't solve the issue described
here.
Change ethtool_get_strings(), ethtool_get_stats(),
ethtool_get_phy_stats() to not return anything in case of a mismatch
between userspace's size and get_sset_size(), to prevent buffer
overflow.
The returned n_stats value will be equal to zero, to reflect that
nothing has been returned.
This could result in one of two cases when using upstream ethtool,
depending on when the size change is detected:
1. When detected in ethtool_get_strings():
# ethtool -S eth2
no stats available
2. When detected in get stats, all stats will be reported as zero.
Both cases are presumably transient, and a subsequent ethtool call
should succeed.
Other than the overflow avoidance, these two cases are very evident (no
output/cleared stats), which is arguably better than presenting
incorrect/shifted stats.
I also considered returning an error instead of a "silent" response, but
that seems more destructive towards userspace apps.
Notes:
- This patch does not claim to fix the inherent race, it only makes sure
that we do not overflow the userspace buffer, and makes for a more
predictable behavior.
- RTNL lock is held during each ioctl, the race window exists between
the separate ioctl calls when the lock is released.
- Userspace ethtool always fills stats.n_stats, but it is likely that
these stats ioctls are implemented in other userspace applications
which might not fill it. The added code checks that it's not zero,
to prevent any regressions.
CVE-2026-22697
Alta · 7.5
CWE-122 09/01/2026
CryptoLib Has Heap Buffer Overflow Vulnerability in KMC Base64 Decode Handling (KMC JSON base64ciphertext/base64cleartext)
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, CryptoLib’s KMC crypto service integration is vulnerable to a heap buffer overflow when decoding Base64-encoded ciphertext/cleartext fields returned by the KMC service. The decode destination buffer is sized using an expected output length (len_data_out), but the Base64 decoder writes output based on the actual Base64 input length and does not enforce any destination size limit. An oversized Base64 string in the KMC JSON response can cause out-of-bounds writes on the heap, resulting in process crash and potentially code execution under certain conditions. This issue has been patched in version 1.4.3.
CVE-2026-22027
Média · 6.0
CWE-122 09/01/2026
CryptoLib Vulnerable to Heap Buffer Overflow in MariaDB SA Hexstring Conversion
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, the convert_hexstring_to_byte_array() function in the MariaDB SA interface writes decoded bytes into a caller-provided buffer without any capacity check. When importing SA fields from the database (e.g., IV, ARSN, ABM), a malformed or oversized hex string in the database can overflow the destination buffer, corrupting adjacent heap memory. This issue has been patched in version 1.4.3.
CVE-2026-21494
Alta · 7.1
CWE-122 06/01/2026
iccDEV has heap buffer overflow in CIccTagLut8::Validate()
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in heap buffer overflow in `CIccTagLut8::Validate()`. Version 2.3.1.2 contains a patch. No known workarounds are available.
CVE-2026-21491
Alta · 7.1
CWE-122 06/01/2026
iccDEV has unicode buffer overflow in CIccTagTextDescription
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in unicode buffer overflow in `CIccTagTextDescription`. Version 2.3.1.2 contains a patch. No known workarounds are available.
CVE-2026-21490
Alta · 7.1
CWE-122 06/01/2026
iccDEV has heap buffer overflow in CIccTagLut16::Validate()
iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. A vulnerability present in versions prior to 2.3.1.2 affects users of the iccDEV library who process ICC color profiles. It results in heap buffer overflow in `CIccTagLut16::Validate()`. Version 2.3.1.2 contains a patch. No known workarounds are available.
CVE-2026-21488
Alta · 7.1
CWE-122 06/01/2026
iccDEV has Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below are vulnerable to Out-of-bounds Read, Heap-based Buffer Overflow and Improper Null Termination through its CIccTagText::Read function. This issue is fixed in version 2.3.1.2.
CVE-2026-21676
Alta · 8.8
CWE-122 06/01/2026
iccDEV has a Heap-based Buffer Overflow in its CIccMBB::Validate() function
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1 and below have a Heap-based Buffer Overflow in its CIccMBB::Validate function which checks tag data validity. This issue is fixed in version 2.3.1.1.
CVE-2026-21486
Alta · 7.8
CWE-122 06/01/2026
Use After Free and Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write in iccDEV
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below contain Use After Free, Heap-based Buffer Overflow and Integer Overflow or Wraparound and Out-of-bounds Write vulnerabilities in its CIccSparseMatrix::CIccSparseMatrix function. This issue is fixed in version 2.3.1.2.
CVE-2025-67268
Crítica · 9.8
CWE-122 02/01/2026
Heap-based Buffer Overflow em Gpsd Project Gpsd
gpsd before commit dc966aa contains a heap-based out-of-bounds write vulnerability in the drivers/driver_nmea2000.c file. The hnd_129540 function, which handles NMEA2000 PGN 129540 (GNSS Satellites in View) packets, fails to validate the user-supplied satellite count against the size of the skyview array (184 elements). This allows an attacker to write beyond the bounds of the array by providing a satellite count up to 255, leading to memory corruption, Denial of Service (DoS), and potentially arbitrary code execution.
CVE-2025-15279
Alta · 7.8
CWE-122 31/12/2025
FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge GUtils BMP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of pixels within BMP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27517.
CVE-2025-15277
Alta · 7.8
CWE-122 31/12/2025
FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge GUtils SGI File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of scanlines within SGI files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27920.
CVE-2025-15275
Alta · 8.8
CWE-122 31/12/2025
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28543.
CVE-2025-15274
Alta · 8.8
CWE-122 31/12/2025
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28544.
CVE-2025-15272
Alta · 8.8
CWE-122 31/12/2025
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
FontForge SFD File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28547.
CVE-2025-11961
Baixa · 1.9
CWE-122 30/12/2025
OOBR and OOBW in pcap_ether_aton() in libpcap
pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.
CVE-2025-66862
Alta · 7.5
CWE-122 29/12/2025
Heap-based Buffer Overflow em Gnu Binutils
A buffer overflow vulnerability in function gnu_special in file cplus-dem.c in BinUtils 2.26 allows attackers to cause a denial of service via crafted PE file.
CVE-2025-66869
Alta · 7.5
CWE-122 29/12/2025
Heap-based Buffer Overflow em Libming
Buffer overflow vulnerability in function strcat in asan_interceptors.cpp in libming 0.4.8.
CVE-2025-14425
Alta · 7.8
CWE-122 23/12/2025
GIMP JP2 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
GIMP JP2 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 or open a malicious file.
The specific flaw exists within the parsing of JP2 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28248.
CVE-2025-12840
Alta · 7.8
CWE-122 23/12/2025
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Academy Software Foundation OpenEXR EXR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Academy Software Foundation OpenEXR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of EXR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27948.