Linux · 
Ubuntu · Package update · September 22, 2026
Ubuntu · Package update · September 22, 2026erlang-src 1:27.3.4.6+dfsg-1ubuntu0.2: erlang-src 1:27.3.4.6+dfsg-1ubuntu0.2 for Ubuntu 26.04.1 LTS (resolute)
erlang-src 1:27.3.4.6+dfsg-1ubuntu0.2, released September 22, 2026, fixes 27 CVEs in erlang-src. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
27
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0074
55th percentile
Priority of the 27 CVEs
Patch now 0
Urgent 1
High 7
Routine 19
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| erlang-src | Ubuntu 26.04.1 LTS (resolute) | 1:27.3.4.6+dfsg-1ubuntu0.2 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-89422 | TLS 1.3 client skips server authentication when ServerHello carries an unsolicited pre_shared_key extension | n/a | 0.0046 | None reported |
| High | CVE-2026-28808 | ScriptAlias CGI targets bypass directory auth in inets httpd (mod_auth vs mod_cgi path mismatch) | 9.8 | 0.0057 | None reported |
| High | CVE-2026-55952 | erlang-snmp: The Erlang/OTP ssl application does not validate that the PSK identity list and binder list carried in a TLS 1.3 Clie... | 7.5 | 0.0055 | None reported |
| High | CVE-2026-49759 | Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash | 8.2 | 0.0050 | None reported |
| High | CVE-2026-68956 | SSH daemon allocates unbounded idle session channels, bypassing max_channels | n/a | 0.0038 | None reported |
| High | CVE-2026-42790 | nameConstraints DNS bypass via subject CommonName fallback in public_key hostname verification | 8.1 | 0.0036 | None reported |
| High | CVE-2026-65634 | Superlinear CPU denial of service in Erlang/OTP ASN.1 OBJECT IDENTIFIER decoder | n/a | 0.0027 | None reported |
| High | CVE-2026-32144 | erlang: Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows OCSP designated-re... | 7.4 | 0.0021 | None reported |
| Routine | CVE-2026-23943 | Pre-auth SSH DoS via unbounded zlib inflate | 5.3 | 0.0074 | None reported |
| Routine | CVE-2026-74994 | inets, httpd: Authentication Bypass via Directory Namespace Collapse in httpd mod_auth | n/a | 0.0065 | None reported |
| Routine | CVE-2026-21620 | erlang: Relative Path Traversal, Improper Isolation or Compartmentalization vulnerability in erlang otp erlang/otp (tftp_file... | n/a | 0.0059 | None reported |
| Routine | CVE-2026-23942 | SFTP root escape via component-agnostic prefix check in ssh_sftpd | 5.4 | 0.0041 | None reported |
| Routine | CVE-2026-55950 | erlang26: time-of-check time-of-use race condition allows an unauthenticated remote attacker to crash all active | 5.9 | 0.0040 | None reported |
| Routine | CVE-2026-42789 | Non-CA certificate accepted as intermediate issuer in public_key path validation | 4.8 | 0.0038 | None reported |
| Routine | CVE-2026-32147 | SFTP chroot bypass via path traversal in SSH_FXP_FSETSTAT | 4.3 | 0.0037 | None reported |
| Routine | CVE-2026-48856 | httpc leaks Authorization header to cross-origin redirect targets | 6.5 | 0.0034 | None reported |
| Routine | CVE-2026-54886 | SSH SFTP server denial of service via extended channel data infinite loop | 4.3 | 0.0033 | None reported |
| Routine | CVE-2026-42791 | erlang: OCSP response verification in the `public_key` application does not check the validity period of the | 3.7 | 0.0033 | None reported |
| Routine | CVE-2026-48855 | SFTP READLINK Leaks Absolute Backend Filesystem Path When Root Is Configured | 6.5 | 0.0030 | None reported |
| Routine | CVE-2026-28810 | Predictable DNS Transaction IDs Enable Cache Poisoning in Built-in Resolver | 3.7 | 0.0028 | None reported |
| Routine | CVE-2026-53422 | erlang: SFTP `REALPATH` path-existence oracle allows filesystem enumeration outside configured root | 4.3 | 0.0026 | None reported |
| Routine | CVE-2026-54887 | erlang: Use of Default Cryptographic Key vulnerability in Erlang/OTP ssl (DTLS server) allows predictable DTLS cookie computa... | 4.8 | 0.0025 | None reported |
| Routine | CVE-2026-48858 | ftp client PASV response IP not validated against control peer, enabling SSRF and FTP bounce attacks | 6.5 | 0.0023 | None reported |
| Routine | CVE-2026-48860 | Distribution-over-TLS LAN allowlist silently bypassed due to sockname/peername confusion in inet_tls_dist | 6.5 | 0.0021 | None reported |
| Routine | CVE-2026-47078 | erlang-megaco: Relative Path Traversal vulnerability in Erlang OTP (stdlib zip module) allows writing files outside the intended ext... | n/a | 0.0015 | None reported |
Showing 1 to 25 of 27
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