SUSE · Security update for erlang
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 2.3 Low · fixed in SUSE package updates : update SUSE otp when convenient.
Data as of 31 Oct 2026, 08:20 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 7.0, 26.2.5.17, 1.1.1.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade OTP and inets to 7.0; erlang/otp to 26.2.5.17; tftp to 1.1.1.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ErlangOTP | Affected
| Fixed in– |
| ErlangOTP | Affected
| Fixed in
|
| ErlangOTP | Affected
| Fixed in– |
GitHuberlang/otppkg:github/erlang/otpOther threats | Affected
| Fixed in
|
GitHubinetspkg:github/inetsOther threats | Affected
| Fixed in
|
GitHubtftppkg:github/tftpOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
This update for erlang fixes the following issues: Security issues fixed: - CVE-2026-21620: improper isolation and compartmentalization can lead to TFTP relative path traversal and remote arbitrary reads/writes (bsc#1258663). - CVE-2026-23941: improper handling of duplicate Content-Length headers in Erlang OTP can lead to HTTP request smuggling (bsc#1259687). - CVE-2026-23942: improper limitation of a pathname to a restricted directory in the SFTP server can lead to path traversal (bsc#1259681). - CVE-2026-23943: improper handling of highly compressed data in Erlang OTP ssh can lead to denial of service (bsc#1259682). - CVE-2026-28808: incorrect authorization can lead to unauthenticated access to protected CGI scripts (bsc#1261728). - CVE-2026-28810: predictable DNS transaction IDs can lead to DNS cache poisoning (bsc#1261726). - CVE-2026-32144: missing signature verification can lead to OCSP authorization bypass and information disclosure (bsc#1261734). Other updates and bugfixes: - jinterface: allow to build determenistic OtpErlang.jar (bsc#1262288).
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20607-1.json (opens in a new tab)
- bugzilla.suse.com/1258663 (opens in a new tab)
- bugzilla.suse.com/1259681 (opens in a new tab)
- bugzilla.suse.com/1259682 (opens in a new tab)
- bugzilla.suse.com/1259687 (opens in a new tab)
- bugzilla.suse.com/1261726 (opens in a new tab)
- bugzilla.suse.com/1261728 (opens in a new tab)
- bugzilla.suse.com/1261734 (opens in a new tab)
- bugzilla.suse.com/1262288 (opens in a new tab)
- suse.com/security/cve/CVE-2026-21620/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23941/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23942/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23943/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-28808/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-28810/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-32144/ (opens in a new tab)