Home/CVE/Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific
CVE

CVE-2025-33042

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas. This issue affects Apache Avro Java SDK: all versions through 1.11.4 and version 1.12.0. Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.

HIGH · CVSS 7.3 EPSS 0.00057
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

2
apache avro< 1.11.5
apache avroall versions
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.avro:avro-compiler MODERATE fixed in 1.12.1
PyPI avro fixed in 1.11.5
▣

Scoring & Timeline

7.3
HIGH · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Feb 2026 · 12:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
rhsaRHSA-2026:7109Important
rhsaRHSA-2026:7380Important
oracle-cpuoracle-cpu-Oracle-Business-Intelligence-Enterprise-Edition-2025--CVE-2025-33042
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1Issue TrackingMailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/02/12/2Mailing ListThird Party Advisory
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