Description (CNA)
httpd has never implemented obs-fold (RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation lines). Every CRLF followed by a non-CRLF octet unconditionally starts a new header. This missing feature became a security concern as the understanding of HTTP request smuggling attacks evolved. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Erlang / OTP | unknown 0 before 17.0; affected 17.0 before 27.3.4.17; affected 28.0 before 28.5.0.6; affected 29.0 before 29.0.6 |
| Erlang / OTP | unknown 0 before 5.10; affected 5.10 before 9.3.2.7; affected 9.4 before 9.6.2.3; affected 9.7 before 9.7.2 |
| Erlang / OTP | affected 84adefa331c4159d432d22840663c38f155cd4c1 before * |
CWE
CWE-444
References
- https://github.com/erlang/otp/security/advisories/GHSA-qh2f-33hj-37qf
- https://cna.erlef.org/cves/CVE-2026-66357.html
- https://osv.dev/vulnerability/EEF-CVE-2026-66357
- https://github.com/erlang/otp/commit/220d618d2479a7180b4a06d0c5aacfaa4af4a85b
- https://github.com/erlang/otp/commit/273d8958de38ff2a7fe0c5dcc5b6bfe6f65717f3
- https://github.com/erlang/otp/commit/e640d599287d2eba919e6f13b91f042d7dbe6ff4
ADP enrichment
No English description supplied.
No references supplied.