erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk

A flaw was found in Erlang OTP Open Telecom Platform erts, specifically within the inetdrv component. An unauthenticated remote attacker can exploit a stack-based buffer overflow vulnerability by sending a specially crafted Stream Control Transmission Protocol SCTP ERROR chunk. This can lead to a...

AZL-90126 CVE-2026-49759 affecting package erlang for versions less than 26.2.5.21-2

Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause codes int...

EEF-CVE-2026-49759 Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

Summary Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause...

CVE-2026-49759 Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause codes int...

CVE-2026-49759 Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause codes int...

CVE-2026-49759

CVE-2026-49759 affects Erlang OTP erts inet_drv SCTP error handling. The sctp_parse_error_chunk() writes cause codes into a fixed-size stack-allocated spec[] without bounds checks, allowing a remote attacker who has SCTP access to overflow the stack and crash the BEAM VM (DoS). A crafted SCTP ERR...

CVE-2026-49759 Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash

Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause codes int...

CVE-2026-49759: Stack-based Buffer Overflow

Stack-based Buffer Overflow vulnerability in Erlang OTP erts inetdrv allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctpparseerrorchunk function in erts/emulator/drivers/common/inetdrv.c parses SCTP ERROR chunks and writes cause codes int...

PT-2026-48468

Name of the Vulnerable Software and Affected Versions Erlang OTP versions 17.0 through 27.3.4.12 Erlang OTP version 28.5.0.1 Erlang OTP version 29.0.1 erts versions 6.0 through 15.2.7.8 erts version 16.4.0.1 erts version 17.0.1 Description A stack-based buffer overflow exists in the sctp parse...