Security readout for executives and security teams
Plain-English summary
CVE-2019-5797 is a high-severity Google Chrome memory safety flaw. A user visiting a maliciously crafted HTML page could trigger heap corruption, potentially allowing serious browser compromise. The relevant exposure is Chrome versions before 73.0.3683.75.
Executive priority
Treat this as a legacy browser risk requiring verification rather than emergency response, unless old Chrome versions remain in use.
Technical view
The issue is a CWE-415 double free in Chrome DOMStorage before 73.0.3683.75. The CVSS vector is network-accessible, high complexity, no privileges required, user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on legacy or unmanaged endpoints running Chrome before 73.0.3683.75. The source bundle does not identify other affected products or CPEs.
Exploitation context
The CVE describes potential exploitation through a crafted HTML page. KEV is false, and the provided sources do not state active exploitation in the wild.
Researcher notes
Public details are limited. The record identifies DOMStorage double free behavior and heap corruption potential, but not exploit primitives, reliable triggers, or broader Chromium downstream impact.
Mitigation direction
- Upgrade Google Chrome to 73.0.3683.75 or later.
- Confirm enterprise browser update policies are enabled and enforced.
- Retire or isolate systems that cannot run supported Chrome versions.
- Check Google guidance for any environment-specific remediation details.
Validation and detection
- Inventory Chrome versions across managed and unmanaged endpoints.
- Flag any Chrome installation older than 73.0.3683.75.
- Review browser management reports for stalled or disabled updates.
- Confirm exceptions are documented for legacy systems.
- Avoid exploit reproduction unless authorized and safely isolated.
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-415: Exact CWE lookup
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Open ATT&CK lookupCVE-2019-5797 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:H/PR:N/UI:R/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:H/PR:N/UI:R/S:U/C:H/I:H/A:H1.65.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://crbug.com/916523CVE reference · x_refsource_MISC
- https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop_12.htmlCVE 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.
Double Free
Double Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.