CVE-2023-26733
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 27th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- tinytiff project/tinytiff
- Source
- cve@mitre.org
EPSS 0.4% since 8 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/10cksYiqiyinHangzhouTechnology/Security-Issue-Report-of-TinyTIFF/blob/main/README.mdExploit, Third Party Advisory
- https://github.com/jkriege2/TinyTIFF/issues/19Exploit, Issue Tracking, Vendor Advisory
- https://github.com/10cksYiqiyinHangzhouTechnology/Security-Issue-Report-of-TinyTIFF/blob/main/README.mdExploit, Third Party Advisory
- https://github.com/jkriege2/TinyTIFF/issues/19Exploit, Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.