PT-2022-1772 · Expat+13 · Expat+13
Published
2022-02-18
·
Updated
2026-04-01
·
CVE-2022-25315
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Expat versions prior to 2.4.5
Description
The issue is related to an integer overflow in the
storeRawNames function of the Expat library. This can be exploited by a remote attacker to cause a denial of service by sending a specially crafted request. The vulnerability allows an attacker to pass specially created data to the application, causing an integer overflow and resulting in a denial of service in the target system.Recommendations
For versions prior to 2.4.5, update to version 2.4.5 or later to resolve the issue. As a temporary workaround, consider restricting the use of the
storeRawNames function until a patch is available.Exploit
Fix
DoS
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Debian
Expat
Ibm Aix
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu
Zvirt Node