ngtcp2: ngtcp2: Denial of service via stack buffer overflow during QUIC handshake

A flaw was found in ngtcp2, a C implementation of the IETF QUIC Quick UDP Internet Connections protocol. A remote attacker can exploit a stack buffer overflow vulnerability by sending specially crafted, large transport parameters during the QUIC handshake. This occurs when the qlog callback is...

BIT-PYTHON-2026-9669 bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow

bz2.BZ2Decompressor objects could be reused after a decompression error. If an application caught the resulting OSError and retried with the same decompressor, crafted input could cause the decompressor to resume from an invalid internal state and perform out-of-bounds writes to a stack buffer...

BIT-PYTHON-MIN-2026-9669 bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow

bz2.BZ2Decompressor objects could be reused after a decompression error. If an application caught the resulting OSError and retried with the same decompressor, crafted input could cause the decompressor to resume from an invalid internal state and perform out-of-bounds writes to a stack buffer...

BIT-LIBPYTHON-2026-9669 bz2.BZ2Decompressor reuse after error can cause a stack buffer overflow

bz2.BZ2Decompressor objects could be reused after a decompression error. If an application caught the resulting OSError and retried with the same decompressor, crafted input could cause the decompressor to resume from an invalid internal state and perform out-of-bounds writes to a stack buffer...

Exploit for Out-of-bounds Write in Mediatek Lr12A

CVE-2024-20154: NB-IoT SIB1-NB Stack Overflow in MediaTek MT67...

CVE-2026-36794

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain multiple stack overflows in the R7WebsSecurityHandler function via the username and password parameters. These vulnerabilities allow attackers to cause a Denial of Service DoS via a crafted HTTP...

CVE-2026-36796

Shenzhen Tenda Technology Co., Ltd Tenda G0 v15.11.0.5 was discovered to contain a stack overflow in the picCropName parameter of the formCropAndSetWewifiPic function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36798

Shenzhen Tenda Technology Co., Ltd Tenda G0 v15.11.0.5 was discovered to contain multiple stack overflows in the formSetDebugCfgr function via the enable, level, and module parameters. These vulnerabilities allow attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36797

Shenzhen Tenda Technology Co., Ltd Tenda G0 v15.11.0.5 was discovered to contain a stack overflow in the IPMacBindRuleIp parameter of the formIPMacBindModify function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36784

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.54180 was discovered to contain a stack overflow in the ip parameter of the fromNetToolGet function. This vulnerability allows attackers to cause a Denial of Service DoS via a HTTP request...

CVE-2026-36777

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain a stack overflow in the param1 parameter of the formSetCfm function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36792

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain a stack overflow in the wlradio parameter of the formWifiRadioSet function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36793

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain multiple stack overflows in the formwrlSSIDset function via the mitssid and misssidindex parameters. These vulnerabilities allow attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36783

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.54180 was discovered to contain a stack overflow in the domain parameter of the fromNetToolGet function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36771

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain a stack overflow in the wlradio parameter of the formwrlSSIDset function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...

CVE-2026-36779

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.54180 was discovered to contain multiple stack overflows in the fromVirtualSer function via the puVar2, puVar1, s2, s100, and puVar3 parameters. These vulnerabilities allow attackers to cause a Denial of Service DoS via a crafted...

CVE-2026-36778

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.54180 was discovered to contain a stack overflow in the username parameter of the R7WebsSecurityHandler function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36791

Shenzhen Tenda Technology Co., Ltd Tenda O3v3 v1.0.0.5 was discovered to contain a stack overflow in the savelistdata parameter of the formSetCfm function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted HTTP request...

CVE-2026-36772

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain a stack overflow in the wlradio parameter of the formwrlSSIDget function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...

CVE-2026-36773

Shenzhen Tenda Technology Co., Ltd Tenda W3 Wireless Router v1.0.0.32204 was discovered to contain a stack overflow in the Go parameter of the asktoreboot function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...