QID 239782

Date Published: 2021-11-10

QID 239782: Red Hat Update for libwebp (RHSA-2021:4231)

the libwebp packages provide a library and tools for the webp graphics format.
Webp is an image format with a lossy compression of digital photographic images.
Webp consists of a codec based on the vp8 format, and a container based on the resource interchange file format (riff).
Webmasters, web developers and browser developers can use webp to compress, archive, and distribute digital images more efficiently.

Security Fix(es):

libwebp: out-of-bounds read in webpmuxcreateinternal (cve-2018-25009)
libwebp: out-of-bounds read in applyfilter() (cve-2018-25010)
libwebp: out-of-bounds read in webpmuxcreateinternal() (cve-2018-25012)
libwebp: out-of-bounds read in shiftbytes() (cve-2018-25013)
libwebp: use of uninitialized value in readsymbol() (cve-2018-25014)
libwebp: out-of-bounds read in chunkverifyandassign() in mux/muxread.c (cve-2020-36330)
libwebp: out-of-bounds read in chunkassigndata() in mux/muxinternal.c (cve-2020-36331)
libwebp: excessive memory allocation when reading a file (cve-2020-36332)

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

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Upgrade to the latest packages which contain a patch.

Refer to Refer to :
Applying Package Updates to RHEL system for details.

Refer to Red Hat security advisory RHSA-2021:4231 Update to address this issue and obtain more information.

Vendor References

RHSA-2021:4231 - access.redhat.com/errata/RHSA-2021:4231

CVEs related to QID 239782

CVE-2018-25009 | CVE-2018-25010 | CVE-2018-25012 | CVE-2018-25013 | CVE-2018-25014 | CVE-2020-36330 | CVE-2020-36331 | CVE-2020-36332 |

Software Advisories

Advisory ID	Software	Component	Link
RHSA-2021:4231	Red Hat Enterprise Linux		access.redhat.com/errata/RHSA-2021:4231

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