SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-55953

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered ...

FreeBSD : Erlang/OTP -- TLS denial of service using invalid certificate chains (445d3f14-89e1-11f1-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 445d3f14-89e1-11f1-b35c-4c526214c986 advisory. https://github.com/erlang/otp/security/advisories/GHSA-r5jr-mq46-vmhw reports: A TLS/DTLS peer can cras...

DEBIAN-CVE-2026-55953

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

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...

UBUNTU-CVE-2026-55953

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

EUVD-2026-49323

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

CVE-2026-55953 TLS 1.2 and DTLS client accepts unoffered anonymous cipher suite, bypassing server authentication

The Erlang/OTP ssl TLS 1.2 and earlier and DTLS client does not verify that the cipher suite selected by the server in ServerHello was among the suites offered by the client in ClientHello. The client-side tlshandshake:hello/5 handler validates the negotiated protocol version and the downgrade...

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...

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...

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...

CVE-2026-47078 Relative path traversal in zip:unzip/zip:extract via check_dir_level depth-counter bypass

Relative Path Traversal vulnerability in Erlang OTP stdlib zip module allows writing files outside the intended extraction directory via a crafted zip archive. zip:unzip/1,2 and zip:extract/1,2 validate entry paths using zip:checkdirlevel/2, which tracks directory depth as a running integer...

CVE-2026-42792

CVE-2026-42792 affects Erlang OTP’s epmd. The issue arises in erts/epmd/src/epmd_srv.c: when accept(2) returns EMFILE or ENFILE, epmd_cleanup_exit() is called instead of treating the condition as recoverable. An attacker can exhaust epmd’s file descriptor slots by establishing many TCP connection...

PT-2026-64979

Relative Path Traversal vulnerability in Erlang OTP stdlib zip module allows writing files outside the intended extraction directory via a crafted zip archive. zip:unzip/1,2 and zip:extract/1,2 validate entry paths using zip:check dir level/2, which tracks directory depth as a running integer...

CVE-2026-53422

A flaw was found in Erlang OTP's Secure Shell SSH component, specifically within the SSH File Transfer Protocol SFTP daemon's sshsftpd module. An authenticated SFTP user can exploit an observable response discrepancy in the REALPATH handler to enumerate the existence of files and directories...

UBUNTU-CVE-2026-54891

Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Erlang/OTP ssl tlsgenconnection module allows a network-positioned attacker to inject unauthenticated plaintext that the TLS client application later treats as authenticated server data. The...

CVE-2026-54887

Use of Default Cryptographic Key vulnerability in Erlang/OTP ssl DTLS server allows predictable DTLS cookie computation during the startup window, enabling source address verification bypass. On DTLS server startup, dtlsserverconnection:initialhello/3 initializes previouscookiesecret to the empty...

EUVD-2026-41410

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...

SUSE CVE-2026-48858

Server-Side Request Forgery SSRF vulnerability in Erlang/OTP ftp ftpinternal module allows FTP bounce attacks and SSRF via an unvalidated PASV response IP address. The ftpinternal:handlectrlresult/2 PASV handler mode=passive, ipfamily=inet, ftpextension=false extracts the IP address from the...