PYSEC-2026-3495 Pillow: Decompression Bomb DoS via PdfParser.PdfStream.decode()

Summary PdfParser.PdfStream.decode in Pillow's PdfParser.py calls zlib.decompress with the bufsize parameter set to the value of the PDF stream's Length field, without any upper bound on the actual decompressed output size. Python's zlib.decompress bufsize argument is an initial output buffer hin...

CVE-2026-37535

openxc/isotp-c thru commit 5a5d19245f65189202719321facd49ce6f5d46ac 2021-08-09 contains an out-of-bounds read in the ISO-TP Single Frame receive handler, where the 4-bit payload length nibble is used directly as the memcpy size without validating it against the actual CAN data length. A malicious...

CVE-2026-5187 Heap Out-of-Bounds Write in DecodeObjectId() in wolfSSL

Two potential heap out-of-bounds write locations existed in DecodeObjectId in wolfcrypt/src/asn.c. First, a bounds check only validates one available slot before writing two OID arc values out0 and out1, enabling a 2-byte out-of-bounds write when outSz equals 1. Second, multiple callers pass...

EUVD-2025-198714

Integer signedness error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2dX509 to return -1 and be misused as a malloc size parameter...

CVE-2025-65495

Integer signedness error in tlsverifycallback in src/coapopenssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2dX509 to return -1 and be misused as a malloc size parameter...

CVE-2025-65495

CVE-2025-65495 affects libcoap 4.3.5. The issue is a signedness error in tls_verify_call_back() inside src/coap_openssl.c that can allow a remote attacker to trigger a denial of service by sending a crafted TLS certificate, causing i2d_X509() to return -1 and be misused as a malloc() size. Public...