Security readout for executives and security teams
Plain-English summary
This is a high-severity Chrome PDF handling flaw. A malicious PDF could trigger memory corruption in vulnerable Chrome versions before 105.0.5195.125. Successful exploitation could affect confidentiality, integrity, and availability, but the CVSS vector indicates user interaction is required.
Executive priority
Prioritize normal high-severity browser patching. The impact is serious because browsers process untrusted content, but the provided sources do not show active exploitation. Focus on rapid endpoint update compliance rather than emergency incident response absent other evidence.
Technical view
CVE-2022-3197 is a CWE-416 use-after-free in Google Chrome’s PDF component. Sources describe potential heap corruption via a crafted PDF file. The CVSS 3.1 score is 8.8 with network attack vector, low complexity, no privileges, required user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely on endpoints running Google Chrome before 105.0.5195.125, especially where users open untrusted PDFs in the browser. Gentoo and Fedora advisories indicate downstream package updates may also matter for Linux-managed environments.
Exploitation context
The source bundle does not state active exploitation, and the CVE is not marked KEV. Available public detail supports a crafted-PDF attack requiring user interaction. The Chromium bug reference may not provide full technical detail publicly, so exploitability specifics remain limited.
Researcher notes
Public evidence identifies the bug class, affected component, fixed Chrome version, and CVSS impact. It does not provide safe validation artifacts or detailed root-cause analysis. Treat the Chromium issue as the authoritative technical reference, but expect limited public visibility.
Mitigation direction
- Update Google Chrome to 105.0.5195.125 or later.
- Apply relevant Gentoo or Fedora browser package security updates where applicable.
- Check current vendor guidance for any platform-specific remediation.
- Limit exposure to untrusted PDFs until vulnerable browsers are updated.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Confirm Chrome reports version 105.0.5195.125 or later.
- Verify Linux package updates from applicable distribution advisories are installed.
- Check endpoint management records for failed or deferred browser 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-2022-3197 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/1358075CVE 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.