Buffer overflow in Libjpeg-Turbo
CVE-2018-20330
The tjLoadImage function in libjpeg-turbo 2.0.1 has an integer overflow with a resultant heap-based buffer overflow via a BMP image because multiplication of pitch and height is mishandled, as demonstrated by tjbench.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Libjpeg-Turbo — versions 2.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/libjpeg-turbo/libjpeg-turbo/issues/304 (Patch, Third Party Advisory)
- usn.ubuntu.com/4190-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-20330?
- CVE-2018-20330 is a high-severity vulnerability in Libjpeg-Turbo, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2018-12-21.
- How severe is CVE-2018-20330?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-20330 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.