From 2c96279df99fb3ba9c9d38cce3fe0e1f74eabb4a Mon Sep 17 00:00:00 2001
From: Rez Moss <hi@rezmoss.com>
Date: Mon, 5 Jan 2026 11:14:00 -0500
Subject: [PATCH] fix: traefik binary classifier (#4499)

Signed-off-by: Rez Moss <hi@rezmoss.com>
---
 .../cataloger/binary/classifier_cataloger_test.go |  11 +++++++++++
 syft/pkg/cataloger/binary/classifiers.go          |   2 +-
 .../classifiers/negative/traefik/traefik          | Bin 0 -> 10 bytes
 .../snippets/traefik/3.6.5/linux-amd64/traefik    | Bin 0 -> 353 bytes
 .../cataloger/binary/test-fixtures/config.yaml    |   7 +++++++
 5 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 syft/pkg/cataloger/binary/test-fixtures/classifiers/negative/traefik/traefik
 create mode 100644 syft/pkg/cataloger/binary/test-fixtures/classifiers/snippets/traefik/3.6.5/linux-amd64/traefik

diff --git a/syft/pkg/cataloger/binary/classifier_cataloger_test.go b/syft/pkg/cataloger/binary/classifier_cataloger_test.go
index d56878f7b..4f839da2d 100644
--- a/syft/pkg/cataloger/binary/classifier_cataloger_test.go
+++ b/syft/pkg/cataloger/binary/classifier_cataloger_test.go
@@ -227,6 +227,17 @@ func Test_Cataloger_PositiveCases(t *testing.T) {
 				Metadata:  metadata("traefik-binary"),
 			},
 		},
+		{
+			logicalFixture: "traefik/3.6.5/linux-amd64",
+			expected: pkg.Package{
+				Name:      "traefik",
+				Version:   "3.6.5",
+				Type:      "binary",
+				PURL:      "pkg:generic/traefik@3.6.5",
+				Locations: locations("traefik"),
+				Metadata:  metadata("traefik-binary"),
+			},
+		},
 		{
 			logicalFixture: "memcached/1.6.18/linux-amd64",
 			expected: pkg.Package{
diff --git a/syft/pkg/cataloger/binary/classifiers.go b/syft/pkg/cataloger/binary/classifiers.go
index 4e7c13ff7..99a8aafc1 100644
--- a/syft/pkg/cataloger/binary/classifiers.go
+++ b/syft/pkg/cataloger/binary/classifiers.go
@@ -224,7 +224,7 @@ func DefaultClassifiers() []binutils.Classifier {
 				// [NUL]v1.7.34[NUL]
 				// [NUL]2.9.6[NUL]
 				// 3.0.4[NUL]
-				`(?m)(\x00|\x{FFFD})?v?(?P<version>[0-9]+\.[0-9]+\.[0-9]+(-alpha[0-9]|-beta[0-9]|-rc[0-9])?)\x00`),
+				`(?m)(\x00v?|\x{FFFD}.?)(?P<version>[0-9]+\.[0-9]+\.[0-9]+(-alpha[0-9]|-beta[0-9]|-rc[0-9])?)\x00`),
 			Package: "traefik",
 			PURL:    mustPURL("pkg:generic/traefik@version"),
 			CPEs:    singleCPE("cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*", cpe.NVDDictionaryLookupSource),
diff --git a/syft/pkg/cataloger/binary/test-fixtures/classifiers/negative/traefik/traefik b/syft/pkg/cataloger/binary/test-fixtures/classifiers/negative/traefik/traefik
new file mode 100644
index 0000000000000000000000000000000000000000..874b31c580d65f9e9e726041b02204648639bb7e
GIT binary patch
literal 10
RcmYe#H`FsS(K9q;000i20xSRk

literal 0
HcmV?d00001

diff --git a/syft/pkg/cataloger/binary/test-fixtures/classifiers/snippets/traefik/3.6.5/linux-amd64/traefik b/syft/pkg/cataloger/binary/test-fixtures/classifiers/snippets/traefik/3.6.5/linux-amd64/traefik
new file mode 100644
index 0000000000000000000000000000000000000000..0be4d256776a5b6c65934b34028dec5b3e68e27a
GIT binary patch
literal 353
zcmY+8y-EW?6otnk%`_HTS`4g(AcUFS`AuUUz)tL)pL@;Xx*N=bSf%j|1hMpK?5y(|
zzQH;PyG1S>zQZ}(%WeHLELi{I0qZB)A#R{wFi{F8q%@i~&_4F7eZuLct=DVl?^eE4
zI!7Rp+hC)L7Gz8TvP)pg7?tD>gEKrzSs5Rsh7>ebiW@Lia|qTNigg3iv1C&T+zAg{
zM~5D*GSYd?m5t!?o(~8nq0!nWj!;U;g$7i~7@I&)S`-BfZ#}T_P1bh|yQb-0S+3|X
zY`0khA>X&>AMY1uS=C(66(Qu(|HhNdX-+3|;NK1T+|BlOdH-|7heJ;YA9+3UYUJ{3
GH~R-qhgjqQ

literal 0
HcmV?d00001

diff --git a/syft/pkg/cataloger/binary/test-fixtures/config.yaml b/syft/pkg/cataloger/binary/test-fixtures/config.yaml
index a2c012f1b..a4a834f02 100644
--- a/syft/pkg/cataloger/binary/test-fixtures/config.yaml
+++ b/syft/pkg/cataloger/binary/test-fixtures/config.yaml
@@ -587,6 +587,13 @@ from-images:
     paths:
       - /usr/local/bin/traefik
 
+  - version: 3.6.5
+    images:
+      - ref: traefik:v3.6.5@sha256:d944e3693bbf5a361ddd2e411bb713049cfb4f5ff3da200b30ee7a347dbd6abd
+        platform: linux/amd64
+    paths:
+      - /usr/local/bin/traefik
+
   # from the original dynamic fixtures...
 
   - name: python-rhel-shared-libs