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Vulnerability record · CVE-2023-6277 · published 24 November 2023

CVE-2023-6277: Libtiff uncontrolled resource consumption vulnerability

Libtiff · Libtiff

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.

6.5 CVSS 3.1 Medium EPSS 1.8% · top 22.3% CWE-400 · Uncontrolled resource consumption
6.5CVSS 3.1 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
27References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2023-6277 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251311 Issue TrackingPatchThird Party Advisory
https://gitlab.com/libtiff/libtiff/-/issues/614 ExploitIssue TrackingPatchVendor Advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/545 PatchVendor Advisory
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
https://access.redhat.com/security/cve/CVE-2023-6277 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251311 Issue TrackingPatchThird Party Advisory
https://gitlab.com/libtiff/libtiff/-/issues/614 ExploitIssue TrackingPatchVendor Advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/545 PatchVendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/WJIN6DTSL3VODZUGWEUXLEL5D
https://lists.fedoraproject.org/archives/list/[email protected]/message/Y7ZGN2MZXJ6E57W3L4YBM3ZPA
https://security.netapp.com/advisory/ntap-20240119-0002/
https://support.apple.com/kb/HT214116
https://support.apple.com/kb/HT214117
https://support.apple.com/kb/HT214118
https://support.apple.com/kb/HT214119
https://support.apple.com/kb/HT214120
https://support.apple.com/kb/HT214122
https://support.apple.com/kb/HT214123
https://support.apple.com/kb/HT214124

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-6277), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.