CVE-2023-26733 json
Buffer Overflow vulnerability found in tinyTIFF v.3.0 allows a local attacker to cause a denial of service via the TinyTiffReader_readNextF…
published 2023-04-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-30528
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/10cksYiqiyinHangzhouTechnology/Security-Issue-Report-of-TinyTIFF/blob/main/README.md referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/jkriege2/TinyTIFF/issues/19 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/10cksYiqiyinHangzhouTechnology/Security-Issue-Report-of-TinyTIFF/blob/main/README.md
exploit, third-party-advisory
-
github.com
/jkriege2/TinyTIFF/issues/19
exploit, issue-tracking, vendor-advisory
Sources
- CVE List CVE-2023-26733
- NVD CVE-2023-26733
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