Event Monitor Cyber
EM-20261030-O43L VulnerabilityMedium severity

MariaDB Connector/J Vulnerability (CVE-2026-119276)

CVE-2026-119276

Status
Developing

Since : signals keep joining.

First Signal
Oct 29 20:47 UTCC41 Red Hat Security Data
Page Born
Oct 30 23:00 UTCsecond source joined
Last Signal
Oct 30 23:00 UTC5 days before snapshot
Sources
21 official · 1 research, news or crowd
Open For
6 daysso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing · Now
    New signals join; severity can move.
  3. 3
    Confirmed
    Not yet
    CISA KEV lists it, or exploitation in the wild is reported.
  4. 4
    Resolved
    Not yet
    Past the fix deadline and 14 days with no new signal.
  5. 5
    Archived
    Not yet
    30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The address and ID never change. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

  1. Disclosed: reached
    Oct 29 20:47 UTC
    C41 first to name it
  2. Scored: reached
    Oct 29 20:47 UTC
    No CVSS yet · EPSS 0.4%
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: reached
    Oct 29 20:47 UTC
    C41 published
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

18:00Oct 3006:0012:0018:00Oct 3106:00BornC41 Red Hat Security DataC26 GitHub Advisory Database

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

  1. GHSA-h599-m3w5-9m7x / CVE-2026-119276: MariaDB Connector/J: Rogue erver can drive large heap allocation from erver-declared length in OK packet (opens source in a new tab) maven:org.mariadb.jdbc:mariadb-java-client, maven:org.mariadb.jdbc:mariadb-java-client, maven:org.mariadb.jdbc:mariadb-java-client Med severityDatabaseC26 GitHub Advisory Database
  2. Red Hat: CVE-2026-119276 (moderate) (opens source in a new tab) org.mariadb.jdbc/mariadb-java-client: mariadb-java-client: Denial of Service via uncontrolled memory allocation Med severityVendorC41 Red Hat Security Data