RHSA-2021:4149 - Security Advisory

Topic

An update for python-pillow is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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 information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 1915420 - CVE-2020-35653 python-pillow: Buffer over-read in PCX image reader
• BZ - 1915432 - CVE-2020-35655 python-pillow: Buffer over-read in SGI RLE image reader
• BZ - 1934685 - CVE-2021-25290 python-pillow: Negative-offset memcpy in TIFF image reader
• BZ - 1934699 - CVE-2021-25292 python-pillow: Regular expression DoS in PDF format parser
• BZ - 1934705 - CVE-2021-25293 python-pillow: Out-of-bounds read in SGI RLE image reader
• BZ - 1935384 - CVE-2021-27921 python-pillow: Excessive memory allocation in BLP image reader
• BZ - 1935396 - CVE-2021-27922 python-pillow: Excessive memory allocation in ICNS image reader
• BZ - 1935401 - CVE-2021-27923 python-pillow: Excessive memory allocation in ICO image reader
• BZ - 1958226 - CVE-2021-25287 python-pillow: Out-of-bounds read in J2K image reader
• BZ - 1958231 - CVE-2021-25288 python-pillow: Out-of-bounds read in J2K image reader
• BZ - 1958240 - CVE-2021-28675 python-pillow: Excessive memory allocation in PSD image reader
• BZ - 1958252 - CVE-2021-28676 python-pillow: Infinite loop in FLI image reader
• BZ - 1958257 - CVE-2021-28677 python-pillow: Excessive CPU use in EPS image reader
• BZ - 1958263 - CVE-2021-28678 python-pillow: Excessive looping in BLP image reader
• BZ - 1982378 - CVE-2021-34552 python-pillow: Buffer overflow in image convert function

CVEs

• CVE-2020-35653
• CVE-2020-35655
• CVE-2021-25287
• CVE-2021-25288
• CVE-2021-25290
• CVE-2021-25292
• CVE-2021-25293
• CVE-2021-27921
• CVE-2021-27922
• CVE-2021-27923
• CVE-2021-28675
• CVE-2021-28676
• CVE-2021-28677
• CVE-2021-28678
• CVE-2021-34552

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/