CVE-2026-48802 python-engineio has unbound thread allocation that can cause denial of service

python-engineio is a Python implementation of the Engine.IO realtime client and server. Prior to version 4.13.2, an attacker can cause the creation of unnecessary background threads in the python-engineio server by exploiting the heartbeat mechanism, which launches a thread when a new connection ...

CVE-2026-48802

Summary (CVE-2026-48802, python-engineio): Before v4.13.2, a heartbeat-driven background thread could be created on new connections or PONG handling, causing DoS especially on synchronous servers. The fix in v4.13.2 changes the behavior so that the initial heartbeat background thread/async task i...

CVE-2026-48802

python-engineio is a Python implementation of the Engine.IO realtime client and server. Prior to version 4.13.2, an attacker can cause the creation of unnecessary background threads in the python-engineio server by exploiting the heartbeat mechanism, which launches a thread when a new connection ...

CVE-2026-48802 python-engineio has unbound thread allocation that can cause denial of service

python-engineio is a Python implementation of the Engine.IO realtime client and server. Prior to version 4.13.2, an attacker can cause the creation of unnecessary background threads in the python-engineio server by exploiting the heartbeat mechanism, which launches a thread when a new connection ...

CVE-2026-48802

python-engineio is a Python implementation of the Engine.IO realtime client and server. Prior to version 4.13.2, an attacker can cause the creation of unnecessary background threads in the python-engineio server by exploiting the heartbeat mechanism, which launches a thread when a new connection ...

CVE-2026-48809

python-engineio is a Python implementation of the Engine.IO realtime client and server. Versions prior to 4.13.2 have two specific configurations of the python-engineio server in which the size of incoming messages is not checked before the messages are loaded into memory. An attacker can take...

CVE-2026-48809

CVE-2026-48809 – python-engineio : The issue affects the python-engineio server prior to version 4.13.2, where the size of incoming messages could be loaded into memory before validation, enabling potential DoS through excessive memory allocation. Two configurations are affected: POST requests wi...

CVE-2026-48809 python-engineio has possible denial of service due to maximum payload size sometimes not being enforced

python-engineio is a Python implementation of the Engine.IO realtime client and server. Versions prior to 4.13.2 have two specific configurations of the python-engineio server in which the size of incoming messages is not checked before the messages are loaded into memory. An attacker can take...

CVE-2026-48809 python-engineio has possible denial of service due to maximum payload size sometimes not being enforced

python-engineio is a Python implementation of the Engine.IO realtime client and server. Versions prior to 4.13.2 have two specific configurations of the python-engineio server in which the size of incoming messages is not checked before the messages are loaded into memory. An attacker can take...

CVE-2026-48809 python-engineio has possible denial of service due to maximum payload size sometimes not being enforced

python-engineio is a Python implementation of the Engine.IO realtime client and server. Versions prior to 4.13.2 have two specific configurations of the python-engineio server in which the size of incoming messages is not checked before the messages are loaded into memory. An attacker can take...

CVE-2026-73219

CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with write access to a CVAT job can submit a batch automatic annotation request to RequestViewSet.create with inconsistent task and job IDs, and because the task ID determines...

CVE-2026-73215

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

CVE-2026-72712

Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parseoptions function in nselib/packet.lua to allocate...

DEBIAN-CVE-2026-72712

Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parseoptions function in nselib/packet.lua to allocate...

CVE-2026-73215

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

CVE-2026-72712

Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parseoptions function in nselib/packet.lua to allocate...

UBUNTU-CVE-2026-73215

Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.17.0, turnportsallocateeven in src/apps/relay/turnports.c marks the unused odd sibling port as TPSTAKENODD for an EVEN-PORT Allocate request with reservation bit R=0 even though no RTCP socket will release it, allowin...

UBUNTU-CVE-2026-72712

Nmap versions up to and including 7.99 contains a denial of service vulnerability that allows remote attackers to crash the application by sending a crafted packet containing a zero-length TCP option. The malformed packet forces the Packet:parseoptions function in nselib/packet.lua to allocate...

CVE-2026-73219 CVAT: Denial of service with regards to automatic annotation

CVAT is an open source interactive video and image annotation tool for computer vision. From 2.17.0 until 2.72.0, a user with write access to a CVAT job can submit a batch automatic annotation request to RequestViewSet.create with inconsistent task and job IDs, and because the task ID determines...

CVE-2026-73219

CVAT vulnerability CVE-2026-73219 affects versions 2.17.0 through 2.72.0. A user with write access can submit a batch automatic annotation request to RequestViewSet.create using inconsistent task and job IDs. The task ID determines the single active request slot, which can block automatic annotat...