CVE-2023-6277

MEDIUMNVD 6.57.5▲Elevated

6.5

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 v3: 6.5
EG Score: 7.5(medium)
EPSS: 88.2%
KEV: Not listed

Published

November 24, 2023

Last Modified

November 21, 2024

References (27)

secalert@redhathttps://access.redhat.com/security/cve/CVE-2023-6277
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2251311
secalert@redhathttps://gitlab.com/libtiff/libtiff/-/issues/614
secalert@redhathttps://gitlab.com/libtiff/libtiff/-/merge_requests/545
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/16
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/17
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/18
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/19
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/20
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/21
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/22
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Jul/23
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-6277
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2251311
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/libtiff/libtiff/-/issues/614

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libtiffxx5 (4.0.9-5ubuntu0.10+esm5) @ bionic	2026-05-24	ubuntu
ubuntu	libtiffxx5 (4.3.0-6ubuntu0.8) @ jammy	2026-05-24	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-24 13:21 UTCEG score recompute
2026-05-24 13:21 UTCVendor advisory
2026-05-24 13:21 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-6277?

CVE-2023-6277 is a medium vulnerability published on November 24, 2023. 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.

When was CVE-2023-6277 disclosed?

CVE-2023-6277 was first published in the National Vulnerability Database on November 24, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-6277 actively exploited?

CVE-2023-6277 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-6277?

CVE-2023-6277 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.

How do I remediate CVE-2023-6277?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6277, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-6277

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CVE-2023-6277

Published

Last Modified

References (27)

Patch Availability(2)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-6277?

Same vendor

Same CWE

CVE-2023-6277

📅 Published

🔄 Last Modified

🔗 References (27)

Patch Availability(2)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-6277?

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Frequently asked(5)

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