CVE-2026-32327

CRITICAL
INFO Priority: 0.04 BB Relevance: 78/100
Published: 2026-08-06 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: None
A: High

Description

A bug in APR-util version 1.6.3 (and earlier) allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses the apr_xml_quote_elem() function. Users are recommended to upgrade to version 1.6.4, which fixes this issue.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
apache apr-util < 1.6.4

References & Advisories (2)

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploitation Probability

0.46%
Raw Score 0.004580
Percentile 39.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00458
2026-10-28
0.00458

Intelligence Sources

nvd ref →