What’s Vulnerable › Vulnerabilities

CVE-2021-46822

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-18 · updated 2026-06-17
• Weakness: CWE-787

Description

The PPM reader in libjpeg-turbo through 2.0.90 mishandles use of tjLoadImage for loading a 16-bit binary PPM file into a grayscale buffer and loading a 16-bit binary PGM file into an RGB buffer. This is related to a heap-based buffer overflow in the get_word_rgb_row function in rdppm.c.

Affected products

• libjpeg-turbo: from 1.5.3 (excl.) through 2.0.90

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/221567
• https://github.com/libjpeg-turbo/libjpeg-turbo/commit/f35fd27ec641c42d6b115bfa595e483ec58188d2
• https://exchange.xforce.ibmcloud.com/vulnerabilities/221567
• https://github.com/libjpeg-turbo/libjpeg-turbo/commit/f35fd27ec641c42d6b115bfa595e483ec58188d2

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