
CVE-2023-4863 – Google Chromium WebP Heap-Based Buffer Overflow Vulnerability
https://notcve.org/view.php?id=CVE-2023-4863
12 Sep 2023 — Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical) El desbordamiento del búfer de memoria en libwebp en Google Chrome anterior a 116.0.5845.187 y libwebp 1.3.2 permitía a un atacante remoto realizar una escritura en memoria fuera de los límites a través de una página HTML manipulada. (Severidad de seguridad de Chromium: crítica) A heap-bas... • https://github.com/alsaeroth/CVE-2023-4863-POC • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVE-2023-1999 – Use after free in libwebp
https://notcve.org/view.php?id=CVE-2023-1999
02 May 2023 — There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free. Existe un Use After Free/Double Free en libwebp. Un atacante puede usar la función ApplyFiltersAndEncode() y hacer un bucle para liberar best.bw y asignar bes... • https://github.com/Pazhanivelmani/webp_Android10_r33_CVE-2023-1999 • CWE-415: Double Free CWE-416: Use After Free •

CVE-2018-25014 – libwebp: use of uninitialized value in ReadSymbol()
https://notcve.org/view.php?id=CVE-2018-25014
21 May 2021 — A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol(). Se encontró un uso de valor no inicializado en libwebp en versiones anteriores a la 1.0.1 en ReadSymbol() A flaw was found in libwebp. An unitialized variable is used in function ReadSymbol. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. The libwebp packages provide a library and tools for the WebP graphics format. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9496 • CWE-908: Use of Uninitialized Resource •

CVE-2018-25013 – libwebp: out-of-bounds read in ShiftBytes()
https://notcve.org/view.php?id=CVE-2018-25013
21 May 2021 — A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes(). Se encontró un desbordamiento de búfer basado en la pila en libwebp en versiones anteriores a la 1.0.1 en ShiftBytes() A flaw was found in libwebp. An out-of-bounds read was found in function ShiftBytes. The highest threat from this vulnerability is to data confidentiality and to the service availability. USN-4971-1 fixed several vulnerabilities in libwebp. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9417 • CWE-125: Out-of-bounds Read •

CVE-2018-25012 – libwebp: out-of-bounds read in WebPMuxCreateInternal()
https://notcve.org/view.php?id=CVE-2018-25012
21 May 2021 — A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE24(). Se encontró un desbordamiento de búfer basado en la pila en libwebp en versiones anteriores a la 1.0.1 en GetLE24() A flaw was found in libwebp. An out-of-bounds read was found in function WebPMuxCreateInternal. The highest threat from this vulnerability is to data confidentiality and to the service availability. The libwebp packages provide a library and tools for the WebP graphics format. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9123 • CWE-125: Out-of-bounds Read •

CVE-2018-25011 – libwebp: heap-based buffer overflow in PutLE16()
https://notcve.org/view.php?id=CVE-2018-25011
21 May 2021 — A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in PutLE16(). Se encontró un desbordamiento de búfer basado en la pila en libwebp en versiones anteriores a la 1.0.1 en PutLE16() A flaw was found in libwebp. A heap-based buffer overflow was found in PutLE16(). The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. The libwebp packages provide a library and tools for the WebP graphics format. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9119 • CWE-787: Out-of-bounds Write •

CVE-2018-25010 – libwebp: out-of-bounds read in ApplyFilter()
https://notcve.org/view.php?id=CVE-2018-25010
21 May 2021 — A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ApplyFilter(). Se encontró un desbordamiento de búfer basado en la pila en libwebp en versiones anteriores a la 1.0.1 en ApplyFilter() A flaw was found in libwebp. An out-of-bounds read was found in function ApplyFilter. The highest threat from this vulnerability is to data confidentiality and to the service availability. The libwebp packages provide a library and tools for the WebP graphics format. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9105 • CWE-125: Out-of-bounds Read •

CVE-2018-25009 – libwebp: out-of-bounds read in WebPMuxCreateInternal
https://notcve.org/view.php?id=CVE-2018-25009
21 May 2021 — A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE16(). Se encontró un desbordamiento de búfer basado en la pila en libwebp en versiones anteriores a la 1.0.1 en GetLE16() A flaw was found in libwebp. An out-of-bounds read was found in function WebPMuxCreateInternal. The highest threat from this vulnerability is to data confidentiality and to the service availability. USN-4971-1 fixed several vulnerabilities in libwebp. • https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9100 • CWE-125: Out-of-bounds Read •

CVE-2020-36332 – libwebp: excessive memory allocation when reading a file
https://notcve.org/view.php?id=CVE-2020-36332
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. When reading a file libwebp allocates an excessive amount of memory. The highest threat from this vulnerability is to the service availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Al leer un archivo, libwebp asigna una cantidad excesiva de memoria. • https://bugzilla.redhat.com/show_bug.cgi?id=1956868 • CWE-20: Improper Input Validation CWE-400: Uncontrolled Resource Consumption •

CVE-2020-36331 – libwebp: out-of-bounds read in ChunkAssignData() in mux/muxinternal.c
https://notcve.org/view.php?id=CVE-2020-36331
21 May 2021 — A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability. Se encontró un fallo en libwebp en versiones anteriores a 1.0.1. Se encontró una lectura fuera de límites en la función ChunkAssignData. • http://seclists.org/fulldisclosure/2021/Jul/54 • CWE-125: Out-of-bounds Read •