Описание
LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small buffer was allocated and then filled as if it were large, writing past its end. In fixed versions the blend-point count is checked against the data actually available before allocating.
| Релиз | Статус | Примечание |
|---|---|---|
| devel | not-affected | 4:26.2.4.2-0ubuntu1 |
| esm-infra/focal | needs-triage | |
| jammy | released | 1:7.3.7-0ubuntu0.22.04.12 |
| noble | released | 4:24.2.7-0ubuntu0.24.04.6 |
| questing | ignored | end of life, was needs-triage |
| resolute | released | 4:26.2.4.2-0ubuntu0.26.04.2 |
| upstream | released | 26.2.3,25.8.7 |
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Связанные уязвимости
LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small buffer was allocated and then filled as if it were large, writing past its end. In fixed versions the blend-point count is checked against the data actually available before allocating.
LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small buffer was allocated and then filled as if it were large, writing past its end. In fixed versions the blend-point count is checked against the data actually available before allocating.
LibreOffice can import EMF+ graphics, which may be embedded in documen ...
LibreOffice can import EMF+ graphics, which may be embedded in documents. A heap buffer overflow existed when importing an EMF+ gradient brush. The number of gradient blend points was read from the file and used to compute an allocation size, but that multiplication could overflow, so a small buffer was allocated and then filled as if it were large, writing past its end. In fixed versions the blend-point count is checked against the data actually available before allocating.
Уязвимость пакета офисных программ LibreOffice, связанная с переполнением буфера в динамической памяти, позволяющая нарушителю оказать воздействие на конфиденциальность, целостность и доступность защищаемой информации
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