CVE-2026-69659

CVE-2026-69659 affects ash-project Ash, specifically the keyset pagination cursor handling in Ash.Page.Keyset. Read actions using keyset pagination deserialize client-supplied page[:after] or page[:before] by base64 decoding the cursor and passing it to Erlang :erlang.binary_to_term/2 without siz...

CVE-2026-55737

A flaw was found in Erlang OTP. A remote attacker can exploit a vulnerability in the Erlang external term format ETF decoder by providing a specially crafted binary to the binarytoterm/1 function. This manipulation of data types during processing can corrupt the system's memory, leading to an...

erlang/otp: erts: otp: Erlang/OTP: Denial of Service via integer underflow in ETF decoding

A flaw was found in Erlang/OTP. A remote attacker can exploit an integer underflow vulnerability in the External Term Format ETF decoder, specifically within the binarytoterm function. By sending a specially crafted ETF payload with a zero-length BITBINARYEXT tag, the attacker can trigger an...

FreeBSD : Erlang/OTP -- binary_to_term crash on crafted BIT_BINARY_EXT input (445dc6b9-89e1-11f1-b35c-4c526214c986)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 445dc6b9-89e1-11f1-b35c-4c526214c986 advisory. https://github.com/erlang/otp/security/advisories/GHSA-54pw-5645-jh86 reports: A specially crafted...

DEBIAN-CVE-2026-55737

Signed to Unsigned Conversion Error and Out-of-bounds Write vulnerability in Erlang OTP erts allows an attacker who can supply a crafted Erlang external term format ETF binary to binarytoterm/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGETUPLEEXT term, the...

CVE-2026-55737

Signed to Unsigned Conversion Error and Out-of-bounds Write vulnerability in Erlang OTP erts allows an attacker who can supply a crafted Erlang external term format ETF binary to binarytoterm/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGETUPLEEXT term, the...

CVE-2026-54890

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890

CVE-2026-54890 describes an Integer Underflow in the BEAM VM’s ETF decoder: the BIT_BINARY_EXT (tag 77) handler accepts an encoding with length and trailing-bits both zero, causing the bitstring size calculation to underflow and produce a ~2^64 value, which is then used as a memory allocation siz...

CVE-2026-54890 BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

CVE-2026-54890 BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding

Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The BITBINARYEX...

EEF-CVE-2026-54890 BEAM VM crash via integer underflow in binary_to_term BIT_BINARY_EXT decoding

Summary Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive Allocation. This vulnerability is associated with program files erts/emulator/beam/external.c, emulator/beam/external.c. The...

CVE-2026-55737

Signed to Unsigned Conversion Error and Out-of-bounds Write vulnerability in Erlang OTP erts allows an attacker who can supply a crafted Erlang external term format ETF binary to binarytoterm/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGETUPLEEXT term, the...

PT-2026-64993

Name of the Vulnerable Software and Affected Versions erlang otp versions 27.0 through 27.3.4.14 erlang otp version 28.5.0.3 erlang otp versions 29.0 through 29.0.3 erts versions 15.0 through 15.2.7.10 erts version 16.4.0.3 erts versions 17.0 through 17.0.3 Description An integer underflow exists...

Erlang/OTP -- heap corruption decoding invalidly encoded large tuples

The Erlang/OTP team reports: Fixed heap corruption when an invalidly encoded tuple with an arity of 2^31 or larger is decoded from Erlang's External Term Format binarytoterm...