Google Chromium Network Service Use-After-Free Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-03-30
• EPSS: 25% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

Use after free in Network Service in Google Chrome prior to 105.0.5195.52 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CISA: Google Chromium Network Service contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 20 Apr 2023): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• packetstormsecurity.com/files/168596/Google-Chrome-103.0.5060.53-network-URLLoader-Noti…Third Party AdvisoryVDB Entry
• chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop_30.htmlRelease NotesVendor Advisory
• crbug.com/1340253ExploitVendor Advisory
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Mailing List
• security.gentoo.org/glsa/202209-23Third Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource