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ALSA-2021:4149 — Moderate: python-pillow security update

2026-10-03T15:36:10.968493+00:00

Affected: AlmaLinux:8: python3-pillow

The python-pillow packages contain a Python image processing library that provides extensive file format support, an efficient internal representation, and powerful image-processing capabilities.

Security Fix(es):

* python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25287)

* python-pillow: Out-of-bounds read in J2K image reader (CVE-2021-25288)

* python-pillow: Negative-offset memcpy in TIFF image reader (CVE-2021-25290)

* python-pillow: Regular expression DoS in PDF format parser (CVE-2021-25292)

* python-pillow: Out-of-bounds read in SGI RLE image reader (CVE-2021-25293)

* python-pillow: Excessive memory allocation in BLP image reader (CVE-2021-27921)

* python-pillow: Excessive memory allocation in ICNS image reader (CVE-2021-27922)

* python-pillow: Excessive memory allocation in ICO image reader (CVE-2021-27923)

* python-pillow: Excessive memory allocation in PSD image reader (CVE-2021-28675)

* python-pillow: Infinite loop in FLI image reader (CVE-2021-28676)

* python-pillow: Excessive CPU use in EPS image reader (CVE-2021-28677)

* python-pillow: Excessive looping in BLP image reader (CVE-2021-28678)

* python-pillow: Buffer overflow in image convert function (CVE-2021-34552)

* python-pillow: Buffer over-read in PCX image reader (CVE-2020-35653)

* python-pillow: Buffer over-read in SGI RLE image reader (CVE-2020-35655)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related informati…

bdu:2021-05238

2026-10-03T15:36:10.968575+00:00

bdu:2021-05238

BIT-pillow-2021-28676

2026-10-03T15:36:10.968593+00:00

Affected: Bitnami: pillow

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.

BREW-pillow-CVE-2021-28676

2026-10-03T15:36:10.968614+00:00

Affected: Homebrew: pillow

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.

cnvd-2021-54032

2026-10-03T15:36:10.968632+00:00

cnvd-2021-54032

EUVD-2026-26045

2026-10-03T15:36:10.968644+00:00

EUVD-2026-26045

fkie_cve-2021-28676

2026-10-03T15:36:10.968654+00:00

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.

GHSA-7r7m-5h27-29hp — Potential infinite loop in Pillow

2026-10-03T15:36:10.968673+00:00

Affected: PyPI: pillow

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.

gsd-2021-28676

2026-10-03T15:36:10.968691+00:00

gsd-2021-28676

PYSEC-2021-92

2026-10-03T15:36:10.968701+00:00

Affected: PyPI: pillow

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.

RHSA-2021:4149 — Red Hat Security Advisory: python-pillow security update

2026-10-03T15:36:10.968718+00:00

python-pillow: Buffer over-read in PCX image reader python-pillow: Buffer over-read in SGI RLE image reader python-pillow: Out-of-bounds read in J2K image reader python-pillow: Out-of-bounds read in J2K image reader python-pillow: Negative-offset memcpy in TIFF image reader python-pillow: Regular expression DoS in PDF format parser python-pillow: Out-of-bounds read in SGI RLE image reader python-pillow: Excessive memory allocation in BLP image reader python-pillow: Excessive memory allocation in ICNS image reader python-pillow: Excessive memory allocation in ICO image reader python-pillow: Excessive memory allocation in PSD image reader python-pillow: Infinite loop in FLI image reader python-pillow: Excessive CPU use in EPS image reader python-pillow: Excessive looping in BLP image reader python-pillow: Buffer overflow in image convert function

SUSE-SU-2021:1938-1 — Security update for python-Pillow

2026-10-03T15:36:10.968758+00:00

Security update for python-Pillow

UBUNTU-CVE-2021-28676

2026-10-03T15:36:10.968780+00:00

Affected: Ubuntu:Pro:14.04:LTS: pillow, Ubuntu:Pro:16.04:LTS: pillow, Ubuntu:18.04:LTS: pillow, Ubuntu:20.04:LTS: pillow, Ubuntu:Pro:20.04:LTS: pillow-python2

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.

WID-SEC-W-2022-1835 — Red Hat Enterprise Linux (python-pillow): Mehrere Schwachstellen

2026-10-03T15:36:10.968804+00:00

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux in python-pillow ausnutzen, um einen Denial of Service Angriff durchzuführen und vertrauliche Informationen offenzulegen.