Security readout for executives and security teams
Plain-English summary
CVE-2024-21523 is a denial-of-service issue in the images package. Unexpected input types, and some integer values such as 0 for size handling, can crash the process. The main business risk is service disruption where this package handles untrusted or user-controlled image operations.
Executive priority
Treat as a high-priority availability risk for services that process external images or user-controlled image parameters. Prioritize inventory and containment while waiting for confirmed vendor remediation details.
Technical view
Sources describe all versions of images as vulnerable. Several functions can receive unexpected input types that reach an assert macro and crash. The note also cites possible segmentation faults from specific integer values. CVSS 3.1 is 7.5, with network attack vector, no privileges, no user interaction, and high availability impact.
Likely exposure
Exposure is most likely in Node.js services that depend on images and pass externally influenced values into image-processing functions. Evidence does not identify specific applications, deployment patterns, or a patched version.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Public references include Snyk advisory details, upstream source code, and a researcher gist, indicating public technical knowledge without confirmed exploitation.
Researcher notes
Evidence is limited to advisory text, source reference, and a public gist. Do not assume confidentiality or integrity impact. The affected version data is ambiguous in the bundle, but the description states all versions are vulnerable.
Mitigation direction
- Inventory projects and lockfiles for the images package.
- Check Snyk and upstream vendor guidance for fixed versions or official workarounds.
- Avoid passing untrusted values directly into images functions.
- Add defensive validation around image sizes, types, and function arguments.
- Isolate image processing so crashes do not take down critical services.
Validation and detection
- Confirm whether production services import or bundle the images package.
- Review image-processing entry points for user-controlled parameters.
- Check crash logs for assertion failures or segmentation faults near image operations.
- Verify dependency scanner findings against CVE-2024-21523 or SNYK-JS-IMAGES-6421826.
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-241: 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 lookupCWE-400: 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 lookupCVE-2024-21523 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
- 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/E:P
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:H/E:P3.93.6snykVulnerability 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/E:P
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://security.snyk.io/vuln/SNYK-JS-IMAGES-6421826CVE reference, snyk
- https://github.com/zhangyuanwei/node-images/blob/691d49f4e620b4eec9f1c47b1735841d9d8b55f6/src/Image.ccCVE reference, snyk
- https://gist.github.com/dellalibera/8b4ea6b4db84cba212e6e6e39a6933d1CVE reference, snyk
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.
Improper Handling of Unexpected Data Type
Improper Handling of Unexpected Data Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.