Security readout for executives and security teams
Plain-English summary
Chrome had a high-severity memory-safety flaw in its PDF handling before version 105.0.5195.125. A victim would need to open or view a crafted PDF, but successful exploitation could compromise confidentiality, integrity, and availability of the browser process.
Executive priority
Prioritize remediation as a high-risk endpoint browser issue. It requires user interaction, but browser PDF exposure is common and the stated impact includes full confidentiality, integrity, and availability compromise.
Technical view
CVE-2022-3198 is a CWE-416 use-after-free in Chrome's PDF component. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating remote delivery with user interaction and high impact if exploited.
Likely exposure
Organizations are exposed where Google Chrome versions before 105.0.5195.125 remain installed, especially on endpoints where users open PDFs from email, downloads, or web content. The bundle does not identify other affected products beyond Chrome.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The attack scenario described is a remote attacker using a crafted PDF file to potentially trigger heap corruption after user interaction.
Researcher notes
The public bundle names the vulnerable component and vulnerability class but provides limited root-cause detail. The Chromium bug reference may be restricted. Avoid assuming exploit availability, sandbox escape, or affected Chromium-based products not named in the sources.
Mitigation direction
- Upgrade Google Chrome to 105.0.5195.125 or later where applicable.
- Confirm managed browser update policies are enforcing current Chrome builds.
- Review Gentoo or Fedora advisories where those packages are used.
- Restrict handling of untrusted PDFs until vulnerable browsers are remediated.
- Check vendor guidance for any environment-specific mitigations.
Validation and detection
- Inventory Chrome versions across managed endpoints and servers with user sessions.
- Flag any Chrome installation earlier than 105.0.5195.125.
- Verify browser PDF handling policies for high-risk user groups.
- Confirm operating system package updates are applied where Chrome is distro-managed.
- Document exceptions and compensating controls for delayed updates.
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-416: 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-2022-3198 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/2022/09/stable-channel-update-for-desktop_14.htmlCVE reference
- https://crbug.com/1355682CVE reference
- https://security.gentoo.org/glsa/202209-23CVE reference
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4NMJURTG5RO3TGD7ZMIQ6Z4ZZ3SAVYE/CVE 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.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.