PT-2026-51244 · Libexpat+1 · Libexpat+1
CVE-2026-56408
·
Published
2026-06-21
·
Updated
2026-08-31
CVSS v3.1
6.9
Medium
| Vector | AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |
Name of the Vulnerable Software and Affected Versions
libexpat versions prior to 2.8.2
Description
An integer overflow exists in the
copyString() function. An integer overflow occurs when an arithmetic operation attempts to create a numeric value that is outside of the range that can be represented with a given number of bits.Recommendations
Update to version 2.8.2 or later.
As a temporary workaround, consider restricting the use of the
copyString() function until the update is applied.Exploit
Fix
DoS
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Ibm Aix
Libexpat