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DjVuLibre is a GPL implementation of DjVu, a web-centric format for distributing documents and images. Prior to version 3.5.29, the MMRDecoder::scanruns method is affected by an OOB-write vulnerability, because it does not check that the xr pointer stays within the bounds of the allocated buffer. This can lead to writes beyond the allocated memory, resulting in a heap corruption condition. An out-of-bounds read with pr is also possible for the same reason. This issue has been patched in version 3.5.29.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 3, 2025 |
| Debian | — | Upgrade djvulibre | Jul 7, 2025 | Jul 3, 2025 |
| Suse | — | Upgrade djvulibre-docUpgrade libdjvulibre-develUpgrade libdjvulibre21Upgrade djvulibre | Dec 5, 2025 | Aug 5, 2025 |
| Ubuntu | — | Upgrade libdjvulibre21 (Ubuntu Pro)Upgrade libdjvulibre21 | Jul 10, 2025 | Jul 3, 2025 |
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