Security readout for executives and security teams
Plain-English summary
CVE-2022-36124 can let malformed or hostile Avro input make a Rust application consume excessive memory and crash. The business risk is service outage, not data theft. Apache says Rust applications using Apache Avro Rust SDK before 0.14.0 are affected, and version 0.14.0 addresses the issue.
Executive priority
Treat as high priority for any Rust service that ingests untrusted Avro data. The likely business impact is avoidable downtime. Patch during the next high-severity remediation window, with accelerated handling for internet-facing, customer-facing, or critical data-processing workloads.
Technical view
The flaw is CWE-770 resource allocation without limits in the Apache Avro Rust SDK reader. CVSS 3.1 is 7.5: network-accessible, low complexity, no privileges, no user interaction, with high availability impact only. Affected package history includes the Rust SDK previously known as avro-rs before apache-avro 0.14.0.
Likely exposure
Exposure is most likely in Rust services, APIs, workers, or data pipelines that parse Avro using apache-avro or older avro-rs versions before 0.14.0, especially when Avro data can come from external users, partner feeds, queues, or untrusted storage.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates remote, unauthenticated triggering is possible when a vulnerable application reads attacker-controlled Avro data. Expected impact is denial of service through out-of-memory conditions.
Researcher notes
Evidence is sufficient for affected component, impact class, CVSS, and fixed version. Public details in the bundle are limited, so avoid assuming specific vulnerable parsing paths beyond Reader memory overconsumption. Validate by dependency version and application data-flow exposure rather than exploit reproduction.
Mitigation direction
- Upgrade affected Rust dependencies to apache-avro version 0.14.0 or later.
- Find and replace legacy avro-rs usage where it maps to vulnerable SDK versions.
- Prioritize public or partner-facing Avro ingestion services first.
- Check Apache and application vendor guidance for any additional version-specific instructions.
- Monitor affected services for memory spikes, restarts, and out-of-memory failures.
Validation and detection
- Review Cargo.toml, Cargo.lock, and SBOMs for apache-avro or avro-rs versions below 0.14.0.
- Confirm deployed artifacts were rebuilt with apache-avro 0.14.0 or later.
- Identify routes, jobs, or consumers that parse Avro from untrusted sources.
- Check runtime telemetry for historical out-of-memory crashes around Avro ingestion paths.
- Verify dependency scanners flag and clear CVE-2022-36124 after upgrade.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-770: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-36124 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://lists.apache.org/thread/kj429rzo1xxjgz058qqqg0y7c0p512zoCVE reference, apache · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.