Cyber Resilience

CVE-2023-26733

HighPublic PoC

Published: 04 April 2023

Published
04 April 2023
Modified
13 February 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0013 31.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-26733 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Tinytiff Project Tinytiff. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 31.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tinytiff project
tinytiff
3.0.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References