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UID2-7861: ignore libexpat by package instead of per CVE #683

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Merged
mcollins-ttd merged 1 commit into from
Nov 2, 2026
Merged

UID2-7861: ignore libexpat by package instead of per CVE #683

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36 changes: 0 additions & 36 deletions .trivyignore
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Original file line number Diff line number Diff line change
Expand Up @@ -31,42 +31,6 @@ CVE-2026-42577 exp:2026-09-11
# See: UID2-7662
CVE-2026-40984 exp:2026-11-11

# CVE-2026-66046 — libexpat (Alpine base-image OS library) (HIGH).
# Not exploitable here: Dockerfile FROM eclipse-temurin:21-jre-alpine-3.23; pure-Java Vert.x
# jar-with-dependencies. No loadLibrary/JNI/native XML refs in any src *.java; only XML on disk
# is trusted conf/logback.xml. JVM parses XML via JAXP/Xerces, not native libexpat.
# See: UID2-7800
CVE-2026-66046 exp:2026-12-02

# CVE-2026-76641 — libexpat (Alpine base-image native C library) (HIGH).
# Not exploitable here: Dockerfile FROM eclipse-temurin@sha256:319339...(21-jre-alpine-3.23);
# pure-Java Vert.x jar-with-dependencies, apk adds only libpng/libcrypto3/libssl3/musl/gnutls;
# no libexpat added and no JNI/native XML path in any *.java
# See: UID2-7801
CVE-2026-76641 exp:2026-12-02

# CVE-2026-76956 — libexpat (Alpine base-image OS library) (HIGH), DoS via hash flooding
# attack with crafted XML.
# Not exploitable here: this is a Java/Vert.x service that parses XML via JAXP/Xerces, not
# libexpat; no JNI/native/subprocess path reaches it.
# See: UID2-7849
CVE-2026-76956 exp:2026-10-10

# CVE-2026-76957 — libexpat (Alpine base-image OS library) (HIGH), memory corruption allowing
# arbitrary code execution or DoS.
# Not exploitable here: same reasoning as CVE-2026-76956 above.
# See: UID2-7849
CVE-2026-76957 exp:2026-10-10

# CVE-2026-93990 — libexpat (Alpine base-image native C library) (HIGH). Not exploitable here.
# See the ticket below for the assessment.
# See: UID2-7962
CVE-2026-93990 exp:2026-12-25

# CVE-2026-77214 — libexpat (HIGH). Not vulnerable.
# See: UID2-8106
CVE-2026-77214 exp:2027-01-19

# CVE-2026-102554 — guava (HIGH). Not vulnerable.
# See: UID2-8213
CVE-2026-102554
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12 changes: 12 additions & 0 deletions .trivyignore.rego
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@@ -0,0 +1,12 @@
package trivy

import rego.v1

default ignore := false

# libexpat is a native OS library in the base image that the JVM never loads.
# Java XML parsing uses the JDK's pure-Java parsers.
ignore if {
input.PkgName == "libexpat"
startswith(input.PkgIdentifier.PURL, "pkg:apk/")
}
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