DjVu DjVuLibre up to 3.5.27 djvu File DjVuText.cpp DJVU::DjVuTXT::decode out-of-bounds write

Summaryinfo

A vulnerability described as critical has been identified in DjVu DjVuLibre up to 3.5.27. The affected element is the function DJVU::DjVuTXT::decode of the file DjVuText.cpp of the component djvu File Handler. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2021-3630. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in DjVu DjVuLibre up to 3.5.27 and classified as critical. Affected by this issue is the function DJVU::DjVuTXT::decode of the file DjVuText.cpp of the component djvu File Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was shared 07/01/2021. The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2021-3630. Technical details are known, but there is no available exploit.

Upgrading to version 3.5.28 eliminates this vulnerability.

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Productinfo

Vendor

• DjVu

Name

• DjVuLibre

Version

• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 3.5.14
• 3.5.15
• 3.5.16
• 3.5.17
• 3.5.18
• 3.5.19
• 3.5.20
• 3.5.21
• 3.5.22
• 3.5.23
• 3.5.24
• 3.5.25
• 3.5.26
• 3.5.27

CPE 2.3info

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CPE 2.2info

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