Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a craft
Affects Google Chrome and Chromium earlier than 91.0.4472.114 when WebGL is used. The fix is in 91.0.4472.114.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 91.0.4472.114
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Google Chrome web browser is affected by this vulnerability, which is a memory-handling flaw in its WebGL graphics feature. A remote attacker could potentially use a specially crafted web page to corrupt the browser's memory, which could lead to a compromise of the affected system.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Use after free in WebGL in Google Chrome prior to 91.0.4472.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
Affected versions
- Google Chrome
From unspecified · fixed in 91.0.4472.114
References 5
crbug.com
chromereleases.googleblog.com
security.gentoo.org
Questions about CVE-2021-30554
What does this mean?
WebGL in Chrome can use memory after it has been freed. This can corrupt the heap, and a remote attacker could run arbitrary code as a result.Source: security.gentoo.org
Am I affected, and how do I check?
Google Chrome and Chromium versions earlier than 91.0.4472.114 are affected. Compare your installed browser version with 91.0.4472.114 to check it.Source: security.gentoo.org
What should I do about it?
Update Google Chrome or Chromium to 91.0.4472.114 or later.Source: security.gentoo.org
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2021-11-03, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data