OPENSUSE-SU-2026:11132-1
Vulnerability from csaf_opensuse - Published: 2026-06-27 00:00 - Updated: 2026-06-27 00:00Summary
jackson-databind-2.18.8-2.1 on GA media
Severity
Moderate
Notes
Title of the patch: jackson-databind-2.18.8-2.1 on GA media
Description of the patch: These are all security issues fixed in the jackson-databind-2.18.8-2.1 package on the GA media of openSUSE Tumbleweed.
Patchnames: openSUSE-Tumbleweed-2026-11132
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
8.1 (High)
Affected products
Recommended
8 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-2.18.8-2.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-2.18.8-2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-2.18.8-2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-2.18.8-2.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-javadoc-2.18.8-2.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-javadoc-2.18.8-2.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-javadoc-2.18.8-2.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Tumbleweed:jackson-databind-javadoc-2.18.8-2.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
References
5 references
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"vulnerabilities": [
{
"cve": "CVE-2026-54512",
"ids": [
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"text": "https://www.suse.com/security/cve/CVE-2026-54512"
}
],
"notes": [
{
"category": "general",
"text": "jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, and 3.1.4, jackson-databind\u0027s PolymorphicTypeValidator (PTV) is the primary safety mechanism guarding polymorphic deserialization. When polymorphic typing is enabled and a type identifier contains generic parameters (i.e. the type ID string contains \u003c), DatabindContext._resolveAndValidateGeneric() validates only the raw container class name (the substring before \u003c) against the configured PTV. If the container type is approved, the method parses the full canonical type string via TypeFactory.constructFromCanonical() and returns the fully parameterized type without ever validating the nested type arguments against the PTV. The nested type arguments are then resolved, instantiated, and populated as beans during deserialization. An attacker who controls the type ID can therefore place a denied class as a generic type parameter of an allowed container - for example java.util.ArrayList\u003ccom.evil.Gadget\u003e when only java.util.ArrayList is allow-listed. The container passes the PTV check; com.evil.Gadget is loaded via Class.forName(name, true, loader), instantiated, and its properties are set from attacker-controlled JSON. This completely bypasses an explicitly configured PTV allow-list. This vulnerability is fixed in 2.18.8, 2.21.4, and 3.1.4.",
"title": "CVE description"
}
],
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"summary": "SUSE Bug 1268897 for CVE-2026-54512",
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"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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],
"scores": [
{
"cvss_v3": {
"baseScore": 8.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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],
"threats": [
{
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"date": "2026-06-27T00:00:00Z",
"details": "important"
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"title": "CVE-2026-54512"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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