CVE-2023-26733

HIGHNVD 7.87.8—Elevated

7.8

Buffer Overflow vulnerability found in tinyTIFF v.3.0 allows a local attacker to cause a denial of service via the TinyTiffReader_readNextFrame function in tinytiffreader.c file.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 31.4%
KEV: Not listed

Published

April 4, 2023

Last Modified

February 13, 2025

References (4)

cve@mitrehttps://github.com/10cksYiqiyinHangzhouTechnology/Security-Issue-Report-of-TinyTIFF/blob/main/README.md
cve@mitrehttps://github.com/jkriege2/TinyTIFF/issues/19
af854a3a-2127-422b-91ae-364da2661108https://github.com/10cksYiqiyinHangzhouTechnology/Security-Issue-Report-of-TinyTIFF/blob/main/README.md
af854a3a-2127-422b-91ae-364da2661108https://github.com/jkriege2/TinyTIFF/issues/19

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 15× in last 7d / 20× 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.

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Frequently asked(5)

What is CVE-2023-26733?

CVE-2023-26733 is a high vulnerability published on April 4, 2023. Buffer Overflow vulnerability found in tinyTIFF v.3.0 allows a local attacker to cause a denial of service via the TinyTiffReader_readNextFrame function in tinytiffreader.c file.

When was CVE-2023-26733 disclosed?

CVE-2023-26733 was first published in the National Vulnerability Database on April 4, 2023, with the most recent update on February 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26733 actively exploited?

CVE-2023-26733 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26733?

CVE-2023-26733 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-26733?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26733, 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

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CVE-2023-26733

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-26733?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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