What’s Vulnerable › Vulnerabilities

CVE-2022-31796

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-02 · updated 2026-06-17
• Weakness: CWE-125

Description

libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.

Affected products

• Jpeg Libjpeg: 1.63

References

• https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895d
• https://github.com/thorfdbg/libjpeg/issues/71
• https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895d
• https://github.com/thorfdbg/libjpeg/issues/71

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