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Vulnerabilities

Vulnerability · CVE-2022-2294

WebRTC Heap Buffer Overflow Vulnerability

Published Jul 1, 2022 · catalog updated Aug 3, 2026 · WebRTC WebRTC

Patch now

CVE-2022-2294 is in the CISA known-exploited catalog, due Sep 15, 2022. Confirm WebRTC WebRTC against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
70.83%
Remediation
Remediation guidance
Affected products
cpe apple/ipados · cpe apple/iphone os · cpe fedoraproject/extra packages for enterprise linux · cpe fedoraproject/fedora · cpe google/chrome · cpe webkitgtk/webkitgtk

WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/ipadosversion unspecified
  • cpe apple/iphone osversion unspecified
  • cpe fedoraproject/extra packages for enterprise linux8.0
  • cpe fedoraproject/fedora35
  • cpe fedoraproject/fedora36
  • cpe google/chromeversion unspecified
  • cpe webkitgtk/webkitgtkversion unspecified
  • cpe webrtc project/webrtcversion unspecified
  • cpe wpewebkit/wpe webkitversion unspecified
  • vendor WebRTC WebRTCversion unspecified

How to fix CVE-2022-2294

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-2294 is in the CISA known-exploited catalog, due Sep 15, 2022. Confirm WebRTC WebRTC against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with fedoraproject/extra packages for enterprise linux 8.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-122: Heap-based Buffer Overflow; CWE-787: Out-of-bounds Write. EPSS 70.83%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 27, 2022 · Catalog

    Detected

    WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.

  2. Aug 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Sep 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Aug 3, 2026 · Catalog

    Updated

    WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-2294

    WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrome.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-2294

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-2294

    30-day exploitation probability 70.8%

    first.org
  • NIST NVDVulnerability recordCVE-2022-2294

    Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-2294

    WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows an attacker to perform shellcode execution. This vulnerability impacts web browsers using WebRTC including but not limited to Google Chrom

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.