PT-2026-7986 · Apache · Apache Avro Java Sdk

Brant Eckert · Published 2026-02-13 · Updated 2026-03-11 · CVE-2025-33042

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Apache Avro Java SDK versions through 1.11.4 and version 1.12.0

Description An Improper Control of Generation of Code ('Code Injection') issue exists in Apache Avro Java SDK when generating specific records from untrusted Avro schemas. The flaw could allow attackers to execute arbitrary code. Apache Avro is used as a serialization backbone in the big data ecosystem.

Recommendations Upgrade to version 1.12.1 or 1.11.5 to resolve this issue.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2025-33042

GHSA-RP46-R563-JRC7

PYSEC-2026-26

Affected Products

Apache Avro Java Sdk

References · 24

• https://nvd.nist.gov/vuln/detail/CVE-2025-33042 · Security Note
• https://lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-rp46-r563-jrc7 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-26 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-33042 · Vendor Advisory
• https://github.com/apache/avro/pull/3150 · Note
• https://github.com/apache/avro · Note
• https://github.com/apache/avro/commit/84bc7322ca1c04ab4a8e4e708acf1e271541aac4 · Note
• https://t.me/poxek/5911 · Telegram Post
• http://openwall.com/lists/oss-security/2026/02/12/2 · Note
• https://twitter.com/gcpweekly/status/2031770306491109878 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1r6af6d/resumen_diario_de_vulnerabilidades_16022026 · Reddit Post
• https://twitter.com/cracbot/status/2024076470084354354 · Twitter Post
• https://reddit.com/r/VulnMatter/comments/1r75ll4/resumen_diario_de_vulnerabilidades_17022026 · Reddit Post
• https://issues.apache.org/jira/browse/AVRO-4053 · Note