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Mageia 8 Security Advisory: 2021-0389 Critical Python-Pillow DoS

mageia
Calendar Grey August 6, 2021
Dist Mageia Esm H88
The latest python-pillow updates tackle various security vulnerabilities, such as buffer overflows and possible denial-of-service conditions.
Updated python-pillow packages fix security vulnerabilities: An issue was discovered in Pillow before 8.2.0

Summary

Updated python-pillow packages fix security vulnerabilities:
An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in j2ku_graya_la (CVE-2021-25287).
An issue was discovered in Pillow before 8.2.0. There is an out-of-bounds read in J2kDecode, in j2ku_gray_i (CVE-2021-25288).
An issue was discovered in Pillow before 8.2.0. PSDImagePlugin.PsdImageFile lacked a sanity check on the number of input layers relative to the size of the data block. This could lead to a DoS on Image.open prior to Image.load (CVE-2021-28675).
An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load (CVE-2021-28676).
An issue was discovered in Pillow before 8.2.0. For EPS data, the readline implementation used in EPSImageFile has to deal with any combination of \r and \n as line endings. It used an accidentally quadratic method of accumulating lines wh...

Read the Full Advisory

References

- https://bugs.mageia.org/show_bug.cgi?id=29002

- https://www.cve.org/CVERecord?id=CVE-2021-25287

- https://www.cve.org/CVERecord?id=CVE-2021-25288

- https://www.cve.org/CVERecord?id=CVE-2021-28675

- https://www.cve.org/CVERecord?id=CVE-2021-28676

- https://www.cve.org/CVERecord?id=CVE-2021-28677

- https://www.cve.org/CVERecord?id=CVE-2021-28678

- https://www.cve.org/CVERecord?id=CVE-2021-34552

Topics%20covered

Topics Covered

security advisory denial-of-service out-of-bounds critical security issue mageia python-pillow

Resolution

SRPMS

- 8/core/python-pillow-8.1.2-1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 06 Aug 2021
URL: https://advisories.mageia.org/MGASA-2021-0389.html
Type: security
CVE: CVE-2021-25287, CVE-2021-25288, CVE-2021-28675, CVE-2021-28676, CVE-2021-28677, CVE-2021-28678, CVE-2021-34552

Topics%20covered

Topics Covered

security advisory denial-of-service out-of-bounds critical security issue mageia python-pillow

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