firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.38 and Firefox ESR 140.13

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been...

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...

PT-2026-65408

Name of the Vulnerable Software and Affected Versions Bouncy Castle for Java versions 1.73 through 1.77 Description Three ML-KEM CRYSTALS-Kyber routines perform non-constant-time division of secret-derived polynomial coefficients by the modulus q. The affected routines are Poly.toMsg, which decod...

Linux Distros Unpatched Vulnerability : CVE-2026-54890

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Integer Underflow Wrap or Wraparound vulnerability in erlang otp erlang/otp erts modules, erlang otp erts erts modules allows Forced Integer Overflow, Excessive...

FreeBSD : Erlang/OTP -- heap corruption decoding invalidly encoded large tuples (445df078-89e1-11f1-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 445df078-89e1-11f1-b35c-4c526214c986 advisory. The Erlang/OTP team reports: Fixed heap corruption when an invalidly encoded tuple with an arity of 2^3...

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 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

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...

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-2026-54890 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

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-2026-55737 Heap pointer corruption via signed/unsigned mismatch in LARGE_TUPLE_EXT decoding in erts external term format decoder

Summary 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 binary\to\term/1 to corrupt the BEAM heap pointer and crash the virtual machine. When decoding a LARGE\TUPLE\E...

CVE-2026-55737

The CVE-2026-55737 issue is a heap-pointer corruption in Erlang/OTP’s erts external term format decoder. During LARGE_TUPLE_EXT decoding, the arity is read as unsigned in the validation pass but as signed in the decode pass, allowing 0x80000000 to produce -2147483648 and advancing the heap pointe...

EUVD-2026-49321

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 Heap pointer corruption via signed/unsigned mismatch in LARGE_TUPLE_EXT decoding in erts external term format decoder

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...