DEBIAN-CVE-2026-93711
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-93711
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-93711.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-93711
- Upstream
- Published
- 2026-09-22T01:16:55Z
- Modified
- 2026-09-22T06:47:24Z
- Summary
- [none]
- Details
-
Dancer2 versions before 2.2.0 for Perl do not strip CR and LF from response header names in headers_to_array. The routine removes CR and LF from each header value but not from the name. A name carrying them therefore reaches the PSGI server intact. A server that does not validate keys writes it to the wire, so the bytes after the CRLF arrive as their own header line. The application has to derive the header name from request data, not just the value. An attacker who controls that data adds their own headers and splits the response.
- References
Affected packages
Debian:12 / libdancer2-perl
Package
- Name
- libdancer2-perl
- Purl
- pkg:deb/debian/libdancer2-perl?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Debian:13 / libdancer2-perl
Package
- Name
- libdancer2-perl
- Purl
- pkg:deb/debian/libdancer2-perl?arch=source&distro=trixie
Debian:14 / libdancer2-perl
Package
- Name
- libdancer2-perl
- Purl
- pkg:deb/debian/libdancer2-perl?arch=source&distro=forky