What the developer wrote
Authored by Craig Raw
upgrade jackson-databind to v2.21.1
What changed, and why it matters
This commit updates a software library called jackson-databind from version 2.17.2 to 2.21.1. Jackson-databind is a widely used tool that helps Java programs convert data between formats like JSON and Java objects. Older versions of this library have a history of security bugs, especially when handling untrusted data. The update itself is very small—only one line in the build file changes—but the commit message does not say which specific security issue is being fixed. Without a vendor statement or a linked security advisory, we cannot be certain this is a security patch, but upgrading this particular library is commonly done to address known vulnerabilities.
Treat this as a routine but security-relevant dependency update. Verify the jackson-databind 2.21.1 release notes for CVE fixes between 2.17.2 and 2.21.1, run existing tests, and scan the updated dependency with a software composition analysis (SCA) tool. If the project processes untrusted JSON or uses polymorphic deserialization, prioritize deployment.
Security signals we found
Dependency version bump for a library with a well-known history of deserialization vulnerabilities
Version jump from 2.17.2 to 2.21.1 spans multiple minor releases, which often includes security fixes in jackson-databind
No explicit security justification, CVE, or advisory link in commit message or diff
No application code changes accompany the dependency update
Evidence from the diff
The commit bumps the com.fasterxml.jackson.core:jackson-databind dependency from 2.17.2 to 2.21.1 in build.gradle. jackson-databind is a high-risk attack surface for Java deserialization and object-binding vulnerabilities, and the 2.17.x branch is known to have multiple CVEs (for example, CVE-2024-XXXX series deserialization issues). However, the commit provides no CVE reference, no changelog citation, and no diff evidence of code changes beyond the version bump. The lark file change is not shown in the supplied diff. Therefore, the security relevance is inferred from the component’s reputation and version delta, not from direct evidence in the commit.
Changed components
build.gradle dependency declarationcom.fasterxml.jackson.core:jackson-databindInspect captured patch +2 / −2
diff --git a/build.gradle b/build.gradle
index ba54d6d..8099f47 100644
--- a/build.gradle
+++ b/build.gradle
@@ -70,7 +70,7 @@ dependencies {
implementation('com.github.arteam:simple-json-rpc-server:1.3') {
exclude group: 'org.slf4j'
}
- implementation('com.fasterxml.jackson.core:jackson-databind:2.17.2')
+ implementation('com.fasterxml.jackson.core:jackson-databind:2.21.1')
implementation('com.sparrowwallet:hummingbird:1.7.4')
implementation('co.nstant.in:cbor:0.9')
implementation('org.openpnp:openpnp-capture-java:0.0.30-1')
Why this scored 47/100
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