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...

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: Integer Underflow (Wrap or Wraparound)

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-2026-66729: Out-of-bounds Read

facil.io 0.6.0 through 0.7.6 contains an integer underflow vulnerability in the multipart MIME body parser that allows unauthenticated remote attackers to crash the server process by sending a crafted Content-Disposition header with an empty field name. Attackers can trigger a uint32t wraparound ...

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...

libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

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sqlite: SQLite: Arbitrary code execution and crash via heap-based buffer overflow in FTS5

A flaw was found in SQLite, specifically within its FTS5 full-text search extension. Attackers can exploit a heap-based buffer overflow by providing a specially crafted database. This crafted database contains malicious metadata that triggers an integer underflow during FTS5 MATCH query processin...

CVE-2026-64351

In the Linux kernel, the following vulnerability has been resolved: net: usb: kalmia: bound RX frame length in kalmiarxfixup kalmiarxfixup computes usbpacketlength = skb-len - 2 KALMIAHEADERLENGTH as a u16, guarded only by a pre-loop check that skb-len is at least KALMIAHEADERLENGTH, which is 6. ...

AZL-94101 CVE-2026-66337 affecting package libsoup 3.4.4-16

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

CVE-2026-66337 Libsoup: libsoup: heap buffer over-read via integer underflow in soup_filter_input_stream_read_until()

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...

GO-2026-5971 GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function in github.com/osrg/gobgp

GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function in github.com/osrg/gobgp...

AZL-97428 CVE-2026-66033 affecting package rust for versions less than 1.96.1-2

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

AZL-93402 CVE-2026-66033 affecting package libssh2 for versions less than 1.11.1-5

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033 libssh2 Integer Underflow DoS via AES-GCM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66033: Integer Underflow (Wrap or Wraparound)

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-45813: Out-of-bounds Write

Out-of-bounds Write, Integer Underflow Wrap or Wraparound vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read. This can be triggered by nearb...

PT-2026-67248

Name of the Vulnerable Software and Affected Versions FluidSynth versions 2.5.0 through 2.5.5 Description The SF2 parser in this software synthesizer fails to reject chunks smaller than one record when computing the DMOD modulator count. A specially crafted SF2 file with a zero-sized DMOD chunk...