What’s Vulnerable › Vulnerabilities

CVE-2018-20030

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-20 · updated 2026-06-17
• Weakness: CWE-400

Description

An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.

Affected products

• libexif project libexif: 0.6.21

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
• https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
• https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
• https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html
• https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
• https://usn.ubuntu.com/4358-1/
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
• https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
• https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
• https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html

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