What’s Vulnerable › Vulnerabilities

CVE-2023-6277: Libtiff: out-of-memory in tiffopen via a craft file

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-24 · updated 2026-06-17
• Weakness: CWE-400

Description

An out-of-memory flaw was found in libtiff. Passing a crafted tiff file to TIFFOpen() API may allow a remote attacker to cause a denial of service via a craft input with size smaller than 379 KB.

Affected products

• Fedoraproject Fedora: 38
• libtiff: all versions

References

• https://access.redhat.com/security/cve/CVE-2023-6277
• https://bugzilla.redhat.com/show_bug.cgi?id=2251311
• https://gitlab.com/libtiff/libtiff/-/issues/614
• https://gitlab.com/libtiff/libtiff/-/merge_requests/545
• http://seclists.org/fulldisclosure/2024/Jul/16
• http://seclists.org/fulldisclosure/2024/Jul/17
• http://seclists.org/fulldisclosure/2024/Jul/18
• http://seclists.org/fulldisclosure/2024/Jul/19
• http://seclists.org/fulldisclosure/2024/Jul/20
• http://seclists.org/fulldisclosure/2024/Jul/21
• http://seclists.org/fulldisclosure/2024/Jul/22
• http://seclists.org/fulldisclosure/2024/Jul/23

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