Medium 6.5Published Nov 24, 2023

CVE-2023-6277An out-of-memory flaw was found in libtiff.

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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It affects libtiff and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 1.82%, higher than 79% of scored CVEs.

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Start free and add your stackFree account, 3 products Every CVE for libtiff Exploited in the last 30 days

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: 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 1.82% (percentile 79)
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

libtiff libtiff libtiff:libtiff	all versions	NVD
fedoraproject fedora fedoraproject:fedora	38	NVD

References

References

https://access.redhat.com/security/cve/CVE-2023-6277	third-party-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2251311	issue-tracking, patch, third-party-advisory
https://gitlab.com/libtiff/libtiff/-/issues/614	exploit, issue-tracking, patch, vendor-advisory
https://gitlab.com/libtiff/libtiff/-/merge_requests/545	patch, vendor-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
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.