There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade libwebpUpgrade libwebp-devel | May 4, 2023 | May 2, 2023 |
| Alpine Linux | — | Upgrade firefox-esrUpgrade libwebp | Mar 26, 2024 | Jun 20, 2023 |
| Amazon Linux Ami 2 | — | Upgrade firefoxUpgrade thunderbird-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird | Sep 28, 2023 | Jun 20, 2023 |
| Amazon_linux_2023 | — | Upgrade libwebp-debuginfoUpgrade libwebpUpgrade libwebp-java-debuginfoUpgrade libwebp-javaUpgrade libwebp-tools-debuginfoUpgrade libwebp-debugsourceUpgrade libwebp-develUpgrade libwebp-tools | Feb 17, 2025 | Apr 11, 2023 |
| Centos_linux | — | Upgrade libwebp-toolsUpgrade libwebpUpgrade libwebp-debuginfoUpgrade firefox-debuginfoUpgrade thunderbird-debuginfoUpgrade libwebp-develUpgrade firefoxUpgrade libwebp-javaUpgrade thunderbird | May 1, 2023 | Apr 14, 2023 |
| Debian | — | Upgrade libwebpUpgrade firefox-esrUpgrade thunderbird | May 1, 2023 | May 1, 2023 |
| Gentoo Linux | — | Upgrade mail-client/thunderbird.Upgrade mail-client/thunderbird-bin.Upgrade media-libs/libwebp.Upgrade www-client/firefox.Upgrade www-client/firefox-bin. | May 31, 2023 | May 30, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade libwebp | Jul 18, 2023 | Jun 20, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade libwebp | Jan 10, 2024 | Jun 20, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade libwebp | Aug 9, 2023 | Jun 20, 2023 |
| Mfsa2023 13 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 112.0 | Apr 17, 2023 | Apr 11, 2023 |
| Mfsa2023 14 | — | Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox ESR version 102.10 | Apr 17, 2023 | Apr 11, 2023 |
| Microsoft Edge | — | Update Microsoft Edge to the latest version | Oct 2, 2023 | Sep 29, 2023 |
| Mozilla Thunderbird | — | Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 102.10 | Apr 17, 2023 | Apr 11, 2023 |
| Oracle_linux | — | Upgrade libwebp-develUpgrade libwebp-javaUpgrade libwebpUpgrade libwebp-tools | May 21, 2024 | Apr 11, 2023 |
| Redhat_linux | — | Upgrade firefox-debugsourceNo solution existsUpgrade thunderbird-debuginfoUpgrade libwebp-java-debuginfoUpgrade libwebp-debuginfoUpgrade libwebp-debugsourceUpgrade firefox-x11Upgrade libwebpUpgrade libwebp-javaUpgrade libwebp-toolsUpgrade thunderbird-debugsourceUpgrade firefox-debuginfoUpgrade thunderbirdUpgrade libwebp-tools-debuginfoUpgrade firefoxUpgrade libwebp-devel | May 1, 2023 | Apr 14, 2023 |
| Rocky_linux | — | Upgrade libwebp-tools-debuginfoUpgrade libwebp-debugsourceUpgrade libwebp-develUpgrade libwebpUpgrade libwebp-debuginfo | Mar 5, 2024 | Jun 20, 2023 |
| Suse | — | Upgrade libwebpdemux1Upgrade libwebpmux1Upgrade MozillaFirefox-develUpgrade libwebpmux3Upgrade MozillaThunderbird-translations-commonUpgrade MozillaThunderbirdUpgrade libwebpdemux2Upgrade libwebpdemux2-32bitUpgrade MozillaFirefox-translations-commonUpgrade libwebp-develUpgrade libwebp6-32bitUpgrade libwebpdecoder3Upgrade libwebpmux2-32bitUpgrade libwebp7Upgrade MozillaThunderbird-translations-otherUpgrade libwebpextras0Upgrade MozillaFirefoxUpgrade libwebpextras0-32bitUpgrade libwebpmux2Upgrade libwebp7-32bitUpgrade libwebpmux3-32bitUpgrade libwebp5-32bitUpgrade libwebp-devel-32bitUpgrade libwebpdecoder2Upgrade libwebpdecoder1Upgrade libwebpdecoder2-32bitUpgrade libwebp-toolsUpgrade MozillaFirefox-translations-otherUpgrade libwebp6Upgrade libwebpdecoder3-32bitUpgrade libwebp5 | May 1, 2023 | Apr 28, 2023 |
| Ubuntu | — | Upgrade libwebp7Upgrade libwebpmux1 (Ubuntu Pro)Upgrade libwebpmux3Upgrade libwebpdemux1 (Ubuntu Pro)Upgrade libwebpdemux2Upgrade libwebp6Upgrade libwebp5 (Ubuntu Pro) | May 17, 2023 | May 16, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 20, 2023 |
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