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Advisory record · GHSA-797x-p4mc-jwpm

MariaDB Connector/J: Length-encoded integers larger than Integer.MAX_VALUE were truncated before being used as lengths

CVSS 5.9 MediumEPSS 0.0035 · 28th percentile

Published by the GitHub Advisory Database at 30 Oct 2026, 23:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.mariadb.jdbc:mariadb-java-clientMaven>=3.0.0, <3.3.7 || >=3.4.0, <3.4.5 || >=3.5.0, <3.5.103.3.7, 3.4.5, 3.5.10
Identifiers
GHSA-797x-p4mc-jwpm · CVE-2026-119279
Weakness (CWE)
CWE-130 · CWE-190
Tags
Published
30 Oct 2026
Updated
30 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

MariaDB Connector/J versions 3.0.0 through before 3.3.7, 3.4.0 through before 3.4.5, and 3.5.0 through before 3.5.10 mishandle 8-byte length-encoded integers from the server by truncating them to int without validation. A malicious or compromised server, or a man-in-the-middle, can send a value that wraps to a negative or arbitrary length, causing the client to crash with unchecked exceptions or make oversized allocations. Upgrade mariadb-java-client to 3.3.7, 3.4.5, 3.5.10, or later.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0035, the 28th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 29 Oct 2026, 20:52 UTC Confirmed by the CVE List
  2. 29 Oct 2026, 21:17 UTC Confirmed by NVD
  3. 31 Oct 2026, 14:16 UTC First seen by agentprime
  4. 31 Oct 2026, 14:16 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.