Buffer overflow in Att Xmill

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, CVE-2021-21811, CVE-2021-21812, CVE-20…

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Not Applicable)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes, Mitigation)

Frequently asked questions

What is CVE-2022-26507?
CVE-2022-26507 is a critical-severity vulnerability in Att Xmill, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-04-14.
How severe is CVE-2022-26507?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-26507 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.