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Mageia: 2020-0434 Severe: Python-Pillow Out-Of-Bounds Issues

mageia
Calendar Grey November 23, 2020
Dist Mageia Esm H88
Recent updates to the python-pillow library address various security vulnerabilities in Mageia, boosting the security of applications.
Pillow before 6.2.3 and 7.x before 7.0.1 has multiple out-of-bounds reads in libImaging/FliDecode.c (CVE-2020-10177)

Summary

Pillow before 6.2.3 and 7.x before 7.0.1 has multiple out-of-bounds reads in libImaging/FliDecode.c (CVE-2020-10177).
In libImaging/PcxDecode.c in Pillow before 6.2.3 and 7.x before 7.0.1, an out-of-bounds read can occur when reading PCX files where state->shuffle is instructed to read beyond state->buffer (CVE-2020-10378).
An out-of-bounds read flaw was found in python-pillow in the way JP2 images are parsed. An application that uses python-pillow to decode untrusted images may be vulnerable to this issue. This flaw allows an attacker to read data. The highest threat from this vulnerability is to confidentiality (CVE-2020-10994).
An out-of-bounds read/write flaw was found in python-pillow, in the way SGI RLE images are decoded. An application that uses python-pillow to decode untrusted images may be vulnerable. This flaw allows an attacker to crash the application or potentially execute code on the system. The highest threat from this vulnerability is to data confidentiality and in...

Read the Full Advisory

References

- https://bugs.mageia.org/show_bug.cgi?id=26919

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/HOKHNWV2VS5GESY7IBD237E7C6T3I427/

- https://www.cve.org/CVERecord?id=CVE-2020-10177

- https://www.cve.org/CVERecord?id=CVE-2020-10378

- https://www.cve.org/CVERecord?id=CVE-2020-10994

- https://www.cve.org/CVERecord?id=CVE-2020-11538

Resolution

SRPMS

- 7/core/python-pillow-5.4.1-1.3.mga7

Publication date: 23 Nov 2020
URL: https://advisories.mageia.org/MGASA-2020-0434.html
Type: security
CVE: CVE-2020-10177, CVE-2020-10378, CVE-2020-10994, CVE-2020-11538

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