Djvulibre
CVE-2021-3630
MEDIUM
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28.
AnalysisAI
An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. An out-of-bounds write vulnerability was found in DjVuLibre in DJVU::DjVuTXT::decode() in DjVuText.cpp via a crafted djvu file which may lead to crash and segmentation fault. This flaw affects DjVuLibre versions prior to 3.5.28. Affected products include: Djvulibre Project Djvulibre, Debian Debian Linux, Fedoraproject Fedora. Version information: prior to 3.5.28..
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
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A flaw was found in djvulibre-3.5.28 and earlier. Rated high severity (CVSS 7.8), this vulnerability is no authenticatio
A flaw was found in djvulibre-3.5.28 and earlier. Rated high severity (CVSS 7.8), this vulnerability is no authenticatio
A flaw was found in djvulibre-3.5.28 and earlier. Rated high severity (CVSS 7.8), this vulnerability is no authenticatio
A flaw was found in djvulibre-3.5.28 and earlier. Rated high severity (CVSS 7.8), this vulnerability is no authenticatio
A flaw was found in djvulibre-3.5.28 and earlier. Rated high severity (CVSS 7.8), this vulnerability is no authenticatio
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
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