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...

EUVD-2026-49317

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-2026-47078

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-2026-47078

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-2026-47078

The CVE affects Erlang/OTP stdlib’s zip handling (lib/stdlib/src/zip.erl). zip:unzip/1,2 and zip:extract/1,2 validate entry paths with zip:check_dir_level/2, which tracks directory depth; while .. can decrement the counter and normal components increment it, a path like ../x/y may become negative...

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-2026-47078 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...

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

Summary 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...

CVE-2026-42792

CVE-2026-42792 (epmd DoS) : The mis-handling of EMFILE/ENFILE in erts/epmd/src/epmd_srv.c allows unauthenticated remote attackers to permanently terminate the Erlang Port Mapper Daemon (epmd) by exhausting per-process/system file descriptor slots. The do_accept path calls epmd_cleanup_exit() on t...

EUVD-2026-49316

Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The doaccept function in erts/epmd/src/epmdsrv.c calls epmdcleanupexit when accep...

EEF-CVE-2026-42792 epmd permanent DoS via EMFILE on accept(2) in erts

Summary Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The do\accept function in erts/epmd/src/epmd\srv.c calls epmd\cleanup\exi...

CVE-2026-42792 epmd permanent DoS via EMFILE on accept(2) in erts

Improper Handling of Exceptional Conditions vulnerability in Erlang OTP erts epmd allows an unauthenticated remote attacker to permanently terminate the Erlang Port Mapper Daemon epmd via connection slot exhaustion. The doaccept function in erts/epmd/src/epmdsrv.c calls epmdcleanupexit when accep...

EEF-CVE-2026-58227 TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain

Summary The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In ssl\certificate:handle\incomplete\chain/5, the received chain is passed to ssl\certificate:build\certificate\chain/5, which walks issuer...

CVE-2026-58227

CVE-2026-58227 : In Erlang/OTP, the ssl certificate chain reconstruction during TLS/DTLS handshakes can fail to detect cycles, causing unbounded recursion when peers supply cross-signed chains (A→B and B→A). The missing cycle detection and depth limit in ssl_certificate:build_certificate_chain/5 ...

CVE-2026-58227 TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain

The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In sslcertificate:handleincompletechain/5, the received chain is passed to sslcertificate:buildcertificatechain/5, which walks issuer relationships via...

EUVD-2026-49315

The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In sslcertificate:handleincompletechain/5, the received chain is passed to sslcertificate:buildcertificatechain/5, which walks issuer relationships via...

CVE-2026-58227 TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain

The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In sslcertificate:handleincompletechain/5, the received chain is passed to sslcertificate:buildcertificatechain/5, which walks issuer relationships via...

CVE-2026-58227 TLS/DTLS denial of service via unbounded recursion on cross-signed peer certificate chain

The Erlang/OTP ssl application does not detect cycles when reconstructing an incomplete peer certificate chain during a TLS or DTLS handshake. In sslcertificate:handleincompletechain/5, the received chain is passed to sslcertificate:buildcertificatechain/5, which walks issuer relationships via...

Erlang/OTP -- binary_to_term crash on crafted BIT_BINARY_EXT input

https://github.com/erlang/otp/security/advisories/GHSA-54pw-5645-jh86 reports: A specially crafted External Term Format ETF payload of merely 7 bytes triggers a crash in the BEAM virtual machine when processed by binarytoterm/1,2. The BITBINARYEXT tag with specific parameters causes an unsigned...