What’s Vulnerable › Vulnerabilities

CVE-2021-3496

• Severity: high (CVSS 7.8 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: yes
• Published: 2021-04-22 · updated 2026-06-17
• Weakness: CWE-119

Description

A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file.

Affected products

• jhead: 3.06

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1949245
• https://github.com/Matthias-Wandel/jhead/issues/33
• https://security.gentoo.org/glsa/202210-17
• https://bugzilla.redhat.com/show_bug.cgi?id=1949245
• https://github.com/Matthias-Wandel/jhead/issues/33
• https://security.gentoo.org/glsa/202210-17

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