Security readout for executives and security teams
Plain-English summary
CVE-2023-0933 is a Google Chrome PDF handling flaw fixed in version 110.0.5481.177. A crafted PDF could trigger heap corruption if a user opened it in a vulnerable browser. The business risk is browser compromise from document-based phishing, but the supplied sources do not show active exploitation.
Executive priority
Treat this as a high-priority browser patching item, not an emergency zero-day response. The impact could be serious if exploited, but the provided evidence does not show active exploitation or KEV listing.
Technical view
The issue is an integer overflow in Chrome’s PDF component, classified as CWE-190. Google described potential heap corruption through a crafted PDF. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges, and required user interaction. Chromium rated it Medium.
Likely exposure
Exposure is likely on workstations running Google Chrome prior to 110.0.5481.177, especially where users open PDFs from email, web downloads, or external portals in Chrome. The bundle does not identify other affected products.
Exploitation context
The attack requires user interaction with a crafted PDF. The sources support remote exploit potential and heap corruption impact, but not confirmed exploitation in the wild. The CVE is not marked KEV in the provided bundle.
Researcher notes
Key uncertainty is exploitability beyond Google’s brief advisory wording. The Chromium bug link is included but may have restricted details. Do not assume sandbox escape or active campaigns from the supplied evidence.
Mitigation direction
- Update Google Chrome to 110.0.5481.177 or later.
- Ensure enterprise browser auto-update policy is enforced.
- For Gentoo systems, follow GLSA 202309-17 guidance.
- Prioritize users handling external PDFs or email attachments.
- Check vendor guidance for any additional platform-specific remediation.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Flag Chrome installations earlier than 110.0.5481.177.
- Confirm update deployment succeeded on Windows, macOS, and Linux fleets.
- Review browser management reports for update failures.
- Validate Gentoo package status against GLSA 202309-17.
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-190: 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-2023-0933 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2023/02/stable-channel-desktop-update_22.htmlCVE reference
- https://crbug.com/1404864CVE reference
- https://security.gentoo.org/glsa/202309-17CVE 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.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.