Description
Uncontrolled Resource Consumption vulnerability in Erlang OTP ssh (ssh_sftp modules) allows Excessive Allocation, Flooding.
This vulnerability is associated with program files lib/ssh/src/ssh_sftpd.erl.
This issue affects OTP from OTP 17.0 before OTP 26.2.5.15, OTP 27.3.4.3, and OTP 28.0.3, corresponding to ssh from 3.0.1 before 5.1.4.12, 5.2.11.3, and 5.3.3.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Erlang | OTP | 17.0, 3.0.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | erlang | 1:27.3.4.3+dfsg-1 | — |
| Debian 13 | erlang | 1:27.3.4.1+dfsg-1+deb13u1 | — |
| Debian 12 | erlang | 1:25.2.3+dfsg-1+deb12u4 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | erlang | 1:27.3.4.1+dfsg-1ubuntu0.1 | USN-7831-1 |
| Ubuntu 24.04 LTS | erlang | 1:25.3.2.8+dfsg-1ubuntu4.5 | USN-7831-1 |
| Ubuntu 22.04 LTS | erlang | 1:24.2.1+dfsg-1ubuntu0.6 | USN-7831-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | erlang | 1:22.2.7+dfsg-1ubuntu0.5+esm1 | USN-7831-1 |
| Ubuntu Pro 18.04 LTS | erlang | 1:20.2.2+dfsg-1ubuntu2+esm2 | USN-7831-1 |
| Ubuntu Pro 16.04 LTS | erlang | 1:18.3-dfsg-1ubuntu3.1+esm2 | USN-7831-1 |
| Ubuntu Pro 14.04 LTS | erlang | 1:16.b.3-dfsg-1ubuntu2.2+esm1 | USN-7831-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | erlang | 23.3.4.19-150300.3.29.1 | SUSE-SU-2026:0661-1 |
| SLES 15 SP7 | erlang26 | 26.2.1-150300.7.22.1 | SUSE-SU-2026:0023-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | erlang | 27.1.3-160000.3.1 | SUSE-SU-2026:20088-1 |
| SLES 16.0 | erlang | 27.1.3-160000.3.1 | SUSE-SU-2026:20088-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | erlang | 27.1.3-160000.3.1 | openSUSE-SU-2026:20043-1 |
| openSUSE Leap 15.6 | erlang | 23.3.4.19-150300.3.29.1 | SUSE-SU-2026:0661-1 |
| openSUSE Leap 15.6 | erlang26 | 26.2.1-150300.7.22.1 | SUSE-SU-2026:0023-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | erlang | 26.2.5.15-1 | — |
| Azure Linux 2 (CBL-Mariner) | erlang | 25.3.2.21-4 | — |
Advisories 6
- USN-7831-1 erlang vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- WID-SEC-2025-2034 Erlang/OTP: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 7, 2026
- openSUSE-SU-2026:20043-1 Security update for erlang SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20088-1 Security update for erlang SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0661-1 Security update for erlang SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0023-1 Security update for erlang26 SUSE / openSUSE Security Updates · Mar 23, 2026
References
- SSH Malicious Key Exchange Messages may Lead to Excessive Resource Consumption vendor-advisory related
- EEF CNA record for CVE-2025-48040 related
- OSV record EEF-CVE-2025-48040 related
- Erlang/OTP version ordering
- https://github.com/erlang/otp/pull/10162 patch
- Introducing commit 07b8f44 in erlang/otp related
- Fix commit 548f129 in erlang/otp patch
- Fix commit 7cd7abb in erlang/otp patch