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An information leak exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in an out-of-bounds read. A malicious user, server, or man-in-the-middle can send an invalid size for an avatar which will trigger an out-of-bounds read vulnerability. This could result in a denial of service or copy data from memory to the file, resulting in an information leak if the avatar is sent to another user.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade pidgin | Oct 26, 2017 | Jan 6, 2017 |
| Debian | — | Upgrade pidgin | Jul 15, 2016 | Jul 15, 2016 |
| Gentoo Linux | — | Upgrade net-im/pidgin. | Oct 30, 2017 | Jan 6, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libpurple | Dec 4, 2019 | Jan 6, 2017 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libpurple | Dec 18, 2019 | Jan 6, 2017 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libpurple | Nov 19, 2019 | Jan 6, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 21, 2016 |
| Suse | — | Upgrade finchUpgrade pidginUpgrade libpurple-develUpgrade libpurpleUpgrade finch-develUpgrade pidgin-develUpgrade libpurple-lang | Oct 12, 2016 | Sep 29, 2016 |
| Ubuntu | — | Upgrade libpurple0 | Jul 12, 2016 | Jul 12, 2016 |
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