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Fencer Intel
critical 9.8

CVE-2020-10571 json

Potential buffer overflow in psd-tools

published 6y ago modified last mo. also GHSA-22jr-vc7j-g762 , PYSEC-2020-91 , EUVD-2020-0150

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

An issue was discovered in psd-tools before 1.9.4. The Cython implementation of RLE decoding did not check for malicious data.

Patch / fix

  • pypi psd-tools 1.9.4
  • psd-tools_project psd-tools 1.9.4

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Exploit prediction

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi psd-tools
>=1.8.37, <1.9.4
<1.9.4
1.9.4

Classification

Weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.