Google · Chromium Indexed DB API
CVE-2021-30633
Google Chromium Indexed DB API Use-After-Free Vulnerability
무엇인가
Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
CISA: Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
할 일
Apply updates per vendor instructions.
미국 연방 기관 조치 기한: 2021년 11월 17일
- CISA 목록에 추가됨
- 2021년 11월 3일
- 게시됨
- 2021년 10월 8일
- 심각도
- 치명적 9.6 CVSS 3.1
- 향후 30일 내 공격 가능성(EPSS)
- 33% 알려진 모든 취약점 중 상위 1.6%
- 약점 유형
- CWE-416
- 자세히
- NVD · CVE.org · CISA
모든 참고 자료(4)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3S…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWL…
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html
- https://crbug.com/1247766
Google의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 10. 27. | Unchecked Return Value | Brotli | 치명적 9.2 | 55% |
| 2026. 9. 16. | Improper Authorization | Pixel | 높음 8.8 | 0.6% |
| 2026. 9. 9. | Out of Bounds Write | Chromium V8 | 높음 8.8 | 3.5% |
| 2026. 9. 4. | Type Confusion | Chromium V8 | 높음 8.8 | 1.8% |
| 2026. 6. 9. | Out-of-Bounds Read and Write | Chromium V8 | 높음 8.8 | 2.4% |
| 2026. 4. 1. | Use-After-Free | Dawn | 높음 8.8 | 14% |
| 2026. 3. 13. | Out-of-Bounds Write | Skia | 높음 8.8 | 2.3% |
| 2026. 3. 13. | Improper Restriction of Operations Within the Bounds of a Memory Buffer | Chromium V8 | 높음 8.8 | 2.7% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.