Description
Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities.
This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, OTP 28.5.0.6, and OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7, 9.6.2.3, and 9.7.2.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Erlang | OTP | 22.2, 7.1.2 | — |
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 | 1:29.0.6+dfsg-1 | — |
| Debian 13 | erlang | 1:27.3.4.1+dfsg-1+deb13u4 | — |
| Debian 12 | erlang | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | erlang | 1:27.3.4.6+dfsg-1ubuntu0.1 | USN-8827-1 |
| Ubuntu 24.04 LTS | erlang | 1:25.3.2.8+dfsg-1ubuntu4.7 | USN-8827-1 |
| Ubuntu 22.04 LTS | erlang | 1:24.2.1+dfsg-1ubuntu0.7 | USN-8827-1 |
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+esm2 | USN-8827-1 |
| Ubuntu Pro 18.04 LTS | erlang | 1:20.2.2+dfsg-1ubuntu2+esm3 | USN-8827-1 |
| Ubuntu Pro 16.04 LTS | erlang | 1:18.3-dfsg-1ubuntu3.1+esm3 | USN-8827-1 |
| Ubuntu Pro 14.04 LTS | erlang | 1:16.b.3-dfsg-1ubuntu2.2+esm2 | USN-8827-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | erlang | 26.2.5.21-6 | — |
Advisories 2
- WID-SEC-2026-3146 Erlang/OTP: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026
- USN-8827-1 erlang vulnerabilities Ubuntu Security Notices (USN) · Sep 28, 2026
References
- https://github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p vendor-advisory
- EEF CNA record for CVE-2026-73276 related
- OSV record EEF-CVE-2026-73276 related
- Erlang/OTP version ordering
- Introducing commit c06db0b in erlang/otp related
- Fix commit 60add5a in erlang/otp patch
- Fix commit 6cd995e in erlang/otp patch
- Fix commit c285240 in erlang/otp patch