Security readout for executives and security teams
Plain-English summary
Jansson, a JSON parsing library, had an out-of-bounds read issue in versions through 2.13.1. The vendor-reported caveat is important: the condition occurs when software using the library does not follow the API specification. Business risk depends on whether your products embed Jansson and expose affected parsing paths.
Executive priority
Handle as a dependency review item, not an emergency based on the supplied evidence. Escalate if Jansson is present in externally reachable services that parse untrusted JSON or if vendor guidance identifies a fixed upgrade path.
Technical view
CVE-2020-36325 describes a parsing error in Jansson's json_loads that can cause out-of-bounds read access. The source bundle provides no CVSS score, CWE, CPE, named patch version, or confirmed exploitation. The CVE note says the vendor reports the issue only occurs with non-compliant API usage by programmers.
Likely exposure
Exposure is most likely in applications, appliances, or services that include Jansson through 2.13.1 and call json_loads in ways that violate the documented API contract. The provided affected-product metadata is incomplete, so asset-specific dependency inventory is required.
Exploitation context
The bundle does not indicate CISA KEV listing, public exploitation, exploit maturity, or real-world attacks. Treat this as an unquantified memory-safety dependency issue until vendor guidance and local code usage confirm practical exposure.
Researcher notes
Key uncertainty is exploitability under correct API usage. The CVE explicitly includes a vendor caveat tying the issue to API misuse. No CVSS, CWE, patch version, or affected CPEs are included in the supplied bundle, limiting risk precision.
Mitigation direction
- Identify applications and services that embed or link Jansson through 2.13.1.
- Check vendor project guidance and the upstream issue before choosing an upgrade or workaround.
- Review json_loads callers for compliance with the documented API contract.
- Prioritize remediation for internet-facing or untrusted JSON parsing paths.
Validation and detection
- Inventory Jansson versions across source code, containers, appliances, and third-party components.
- Confirm whether code paths call json_loads on untrusted or externally supplied JSON.
- Review json_loads usage against the library API specification.
- Document whether exposure depends on non-compliant caller behavior in your environment.
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-36325 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/akheron/jansson/issues/548CVE reference · 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.