CVE-2023-50671 json
In exiftags 1.01, nikon_prop1 in nikon.c has a heap-based buffer overflow (write of size 28) because snprintf can write to an unexpected ad…
published 2024-01-11 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-55448
- 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 30%
- public exploits
- 0
- none known
Summary
In exiftags 1.01, nikon_prop1 in nikon.c has a heap-based buffer overflow (write of size 28) because snprintf can write to an unexpected address.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.yulun.ac.cn https://blog.yulun.ac.cn/posts/2023/fuzzing-exiftags/ 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-787 Out-of-bounds Write
References
-
blog.yulun.ac.cn
/posts/2023/fuzzing-exiftags/
exploit, third-party-advisory
-
johnst.org
/sw/exiftags/
product
Sources
- CVE List CVE-2023-50671
- NVD CVE-2023-50671
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