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01 Record

CVE-2022-26507

A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file can lead to remote code execution. This is not the same as any of: CVE-2021-21810,

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file can lead to remote code execution. This is not the same as any of: CVE-2021-21810,

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.42% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 84.0% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-04-14 12:04Z4 YR AGO
Last updated
2024-08-03 05:03Z2 YR AGO
Reserved
2022-03-06
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
6582fcccc26c381b3f93bdaa06f8afb6a2a9187dc9c038c56cb8faccd49cda22

05 Affected products

VendorProductVersionsPlatforms
attxmillNot specified—
schneider-electricecostruxure_control_expertNot specified—
schneider-electricecostruxure_process_expertNot specified—
schneider-electricremoteconnectNot specified—
schneider-electricscadapack_470Not specified—
schneider-electricscadapack_474Not specified—
schneider-electricscadapack_570Not specified—
schneider-electricscadapack_574Not specified—
schneider-electricscadapack_575Not specified—

06 References