What’s Vulnerable › Vulnerabilities

CVE-2021-39518

• 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: yes
• Published: 2021-09-20 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in libjpeg through 2020021. LineBuffer::FetchRegion() in linebuffer.cpp has a heap-based buffer overflow.

Affected products

• Jpeg Libjpeg: through 2020021

References

• https://github.com/thorfdbg/libjpeg/issues/35
• https://github.com/thorfdbg/libjpeg/issues/35

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