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CVE-2026-88385

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML...

6.5 MediumFix available

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.31%Up 0.2 points since Sep 25, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
CVE-2026-88385
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
EUVDEUVD-2026-86274 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
EUVD-2026-86274
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-2rm3-qp6x-wxfh 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML...

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
GHSA-2rm3-qp6x-wxfh
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
NVD 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
CVE-2026-88385
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-401
Updated
2026-11-02
OSV 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
CVE-2026-88385
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2026-88385 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
DEBIAN-CVE-2026-88385
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-88385 6.5

Mini-XML 4.0.5 contains a memory leak vulnerability in mxml_load_data() during malformed XML parsing. Specially crafted XML input can cause text nodes allocated by mxmlNewText() to become unlinked before a parse error transfers control to the cleanup path. These orphaned nodes are not released, resulting in a persistent memory leak on each parsing attempt. Repeated attacker-controlled requests can cause cumulative memory exhaustion and denial of service.

Record
UBUNTU-CVE-2026-88385
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
mxml
Debian:12
All versions, plus listed versions
3.3.1-14.0.1-14.0.2-14.0.3-14.0.4-1
Show 6 moreShow less
4.0.4-34.0.4-44.0.4-54.0.4-64.0.5-14.0.6-2
None known
mxml
Debian:13
All versions, plus listed versions
3.3.1-13.3.1-1+deb13u13.3.1-1+deb13u1~deb12u14.0.1-14.0.2-1
Show 8 moreShow less
4.0.3-14.0.4-14.0.4-34.0.4-44.0.4-54.0.4-64.0.5-14.0.6-2
None known
mxml
Debian:14
before 4.0.6-2, plus listed versions
3.3.1-14.0.1-14.0.2-14.0.3-14.0.4-1
Show 5 moreShow less
4.0.4-34.0.4-44.0.4-54.0.4-64.0.5-1
4.0.6-2
mxml
Ubuntu:16.04:LTS
All versions, plus listed versions
2.7-12.9-0ubuntu12.9-0ubuntu2
None known
mxml
Ubuntu:18.04:LTS
All versions, plus listed versions
2.10-1
None known
mxml
Ubuntu:20.04:LTS
All versions, plus listed versions
2.12-23.1-1
None known
mxml
Ubuntu:22.04:LTS
All versions, plus listed versions
3.2-13.3-1
None known
mxml
Ubuntu:24.04:LTS
All versions, plus listed versions
3.3.1-13.3.1-1build1
None known
mxml
Ubuntu:26.10
All versions, plus listed versions
3.3.1-1build24.0.4-6
None known
mxml
Ubuntu:26.04:LTS
All versions, plus listed versions
3.3.1-1build13.3.1-1build2
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-88385 is a medium vulnerability (CVSS 6.5) in mxml, published September 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. Fixed in mxml 4.0.6-2.

References

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