Buffer Overflow Vulnerability in GNOME Epiphany Browser
CVE-2022-29536

7.5HIGH

Key Information:

Vendor
Gnome
Status
Epiphany
Vendor
CVE Published:
20 April 2022

Summary

A vulnerability in GNOME's Epiphany browser allows for a client buffer overflow due to improper handling of UTF-8 ellipsis characters, specifically in the ephy_string_shorten function during the UI process. This issue arises when an HTML document contains a long page title that exceeds the expected number of bytes, leading to potential exploitation scenarios.

References

https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/...
x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.