Security readout for executives and security teams
Plain-English summary
CVE-2023-23088 is a critical memory-safety flaw in Barenboim json-parser. The CVE says affected code in master and v1.1.0 can overflow a buffer during JSON parsing, potentially allowing arbitrary code execution. Business risk is highest where this parser handles JSON from users, APIs, or other untrusted sources.
Executive priority
Prioritize remediation for any internet-facing or partner-facing service using this parser. The potential impact is full compromise, but confirmed exposure depends on whether the library is present and reachable through untrusted JSON input.
Technical view
The issue is reported as CWE-787 out-of-bounds write in json_value_parse. CVSS 3.1 is 9.8: network-reachable, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact. The CVE description states it is fixed in v1.1.1.
Likely exposure
Exposure is likely limited to applications or services that embed or depend on Barenboim/json-parser master or v1.1.0. Because the CVE record lacks normalized vendor, product, and CPE data, dependency and source-code inventory are more reliable than product-name scanning.
Exploitation context
The scoring indicates remote exploitation could be possible when attacker-controlled JSON reaches the parser. The provided sources do not show CISA KEV listing, active exploitation, or a public weaponized exploit. Treat internet-facing parsers as urgent, but do not assume exploitation is occurring without additional evidence.
Researcher notes
The CVE metadata is sparse: affected vendor/product fields are n/a and only one upstream GitHub issue is listed. The strongest concrete facts are the affected versions, fixed v1.1.1, json_value_parse location, CWE-787 classification, and CVSS vector.
Mitigation direction
- Upgrade Barenboim/json-parser usage to v1.1.1 or later where applicable.
- Identify and replace bundled copies based on source, not only package metadata.
- Prioritize services that parse unauthenticated or externally supplied JSON.
- Rebuild and redeploy affected applications after dependency replacement.
- Check the GitHub issue and CVE record for any vendor-specific guidance.
Validation and detection
- Search SBOMs, lockfiles, and source trees for Barenboim/json-parser references.
- Confirm no deployed service uses master or v1.1.0 code.
- Map every untrusted JSON input path to its parser implementation.
- Verify production builds include the upgraded parser version.
- Document any remaining exception and its compensating controls.
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.
CWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-23088 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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.
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:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/Barenboim/json-parser/issues/7CVE reference
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.