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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2039 libwebp security update 9 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libwebp Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-36329 CVE-2020-36328 CVE-2018-25011 Reference: ESB-2021.1972 ESB-2021.1965 ESB-2021.1959 ESB-2021.1880 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:2354 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: libwebp security update Advisory ID: RHSA-2021:2354-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2354 Issue date: 2021-06-08 CVE Names: CVE-2018-25011 CVE-2020-36328 CVE-2020-36329 ===================================================================== 1. Summary: An update for libwebp is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: 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: heap-based buffer overflow in PutLE16() (CVE-2018-25011) * libwebp: heap-based buffer overflow in WebPDecode*Into functions (CVE-2020-36328) * libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c (CVE-2020-36329) 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. 4. 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1956829 - CVE-2020-36328 libwebp: heap-based buffer overflow in WebPDecode*Into functions 1956843 - CVE-2020-36329 libwebp: use-after-free in EmitFancyRGB() in dec/io_dec.c 1956919 - CVE-2018-25011 libwebp: heap-based buffer overflow in PutLE16() 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: libwebp-1.0.0-3.el8_4.src.rpm aarch64: libwebp-1.0.0-3.el8_4.aarch64.rpm libwebp-debuginfo-1.0.0-3.el8_4.aarch64.rpm libwebp-debugsource-1.0.0-3.el8_4.aarch64.rpm libwebp-devel-1.0.0-3.el8_4.aarch64.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.aarch64.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.aarch64.rpm ppc64le: libwebp-1.0.0-3.el8_4.ppc64le.rpm libwebp-debuginfo-1.0.0-3.el8_4.ppc64le.rpm libwebp-debugsource-1.0.0-3.el8_4.ppc64le.rpm libwebp-devel-1.0.0-3.el8_4.ppc64le.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.ppc64le.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.ppc64le.rpm s390x: libwebp-1.0.0-3.el8_4.s390x.rpm libwebp-debuginfo-1.0.0-3.el8_4.s390x.rpm libwebp-debugsource-1.0.0-3.el8_4.s390x.rpm libwebp-devel-1.0.0-3.el8_4.s390x.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.s390x.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.s390x.rpm x86_64: libwebp-1.0.0-3.el8_4.i686.rpm libwebp-1.0.0-3.el8_4.x86_64.rpm libwebp-debuginfo-1.0.0-3.el8_4.i686.rpm libwebp-debuginfo-1.0.0-3.el8_4.x86_64.rpm libwebp-debugsource-1.0.0-3.el8_4.i686.rpm libwebp-debugsource-1.0.0-3.el8_4.x86_64.rpm libwebp-devel-1.0.0-3.el8_4.i686.rpm libwebp-devel-1.0.0-3.el8_4.x86_64.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.i686.rpm libwebp-java-debuginfo-1.0.0-3.el8_4.x86_64.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.i686.rpm libwebp-tools-debuginfo-1.0.0-3.el8_4.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2018-25011 https://access.redhat.com/security/cve/CVE-2020-36328 https://access.redhat.com/security/cve/CVE-2020-36329 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYMAK5tzjgjWX9erEAQjygRAAgmxfiLh2yX36EsWJjWnBPnILU7MgLxqH i6rbPRYC3d6asFkYX568Q/UTT/rG/8RhJ/XlIHvFRoweybaGlnuuxZhm29TrMcjY SQYHIVJuC2BTEZbNY2q4AtdfkMgU1nw5x4wYS0GcNPmTI9CcxGmsckolsUZXWoo8 O9z1lDDUjZxgBJzl6AfOMNkbMbBTk/K6mojdD+575fEIeuG1RJOtvyQZkX0zdVwG NrK5G5DQqWAy15lNkRuX3S7dWSbiGqzpqItI3OZK35sNT+m1ov3Pv8AZE4tI693u Ho9QAqrKzy++7waJv4KzOMU4LioWrLYAy5sEf8p+NQvAeGtoLyoDF0LD0FcLZZCL WgJZFHjQX+zK8zT7hf50pa+mZPMAlP0OOD29FTgpv3Z1SZ3WjlDVeUP9JbQhcs2n 7zg4Z8urBmbiMX3rsgH5FSxBCqDIX66D6gLOqL8gxCMZPDFNKU07WnVyhMJr8o4/ 2kBroqG7Gxnk8eLnVqs6xs9au/YS4/f4F1mfh1RT7p1KU+EziOOCp2wAxqsgjrgG QsXXVyETq8F8dKGKSdaGCAXFTk0WBTK/ifqUz9at/I+WsRd5kUaqK+m0VZEY+Uk4 Wdog2PtEvezeoc6PQx8Qas8is94BocusA2j58j+yKvUmitWi9aJLTg62GCj/EORq 2t3nqg3vhBo= =tZp4 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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