An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Libexpat | apple-osx-upgrade-latest | Sep 26, 2017 | Sep 26, 2017 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jun 11, 2018 | |
| Debian | debian-upgrade-expat | Jun 26, 2017 | Nov 15, 2016 | |
| F5 Big Ip | f5-bigip-upgrade-latest | Jun 17, 2026 | May 21, 2024 | |
| Freebsd | freebsd-upgrade-package-firefoxfreebsd-upgrade-package-seamonkeyfreebsd-upgrade-package-linux-seamonkeyfreebsd-upgrade-package-firefox-esrfreebsd-upgrade-package-linux-firefoxfreebsd-upgrade-package-libxulfreebsd-upgrade-package-thunderbirdfreebsd-upgrade-package-linux-thunderbirdfreebsd-upgrade-package-python27freebsd-upgrade-package-expatfreebsd-upgrade-package-libwww | Oct 11, 2017 | Nov 16, 2016 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-expathuawei-euleros-2_0_sp2-upgrade-expat-devel | Dec 4, 2019 | Jun 11, 2018 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-expathuawei-euleros-2_0_sp3-upgrade-expat-devel | Nov 19, 2019 | Jun 11, 2018 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-expathuawei-euleros-2_0_sp5-upgrade-expat-devel | Nov 19, 2019 | Jun 11, 2018 | |
| Mfsa2016 89 | mozilla-firefox-upgrade-50_0 | Jul 12, 2018 | Jun 11, 2018 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Jun 11, 2018 |
| Suse | — | suse-upgrade-expatsuse-upgrade-libexpat-develsuse-upgrade-libexpat1suse-upgrade-libexpat1-32bitsuse-upgrade-libexpat1-x86suse-upgrade-libpython3_4m1_0suse-upgrade-libpython3_4m1_0-32bitsuse-upgrade-mozillafirefoxsuse-upgrade-mozillafirefox-develsuse-upgrade-mozillafirefox-translations-commonsuse-upgrade-mozillafirefox-translations-othersuse-upgrade-python3suse-upgrade-python3-basesuse-upgrade-python3-cursessuse-upgrade-python3-dbmsuse-upgrade-python3-develsuse-upgrade-python3-tksuse-upgrade-sles12-docker-imagesuse-upgrade-sles12sp1-docker-imagesuse-upgrade-sles12sp2-docker-image | Nov 19, 2016 | Nov 15, 2016 |
| Ubuntu | ubuntu-upgrade-firefox | Nov 19, 2016 | Nov 15, 2016 |
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