Buffer overflow in Uclouvain Openjpeg
CVE-2018-7648
An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0. The output prefix was not checked for length, which could overflow a buffer, when providing a prefix with 50 or more characters on the command line.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (76.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Uclouvain Openjpeg — versions 2.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/uclouvain/openjpeg/issues/1088 (Third Party Advisory, Issue Tracking)
- github.com/uclouvain/openjpeg/commit/cc3824767bde397fedb8a1ae4786a222ba860c8d (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7648?
- CVE-2018-7648 is a critical-severity vulnerability in Uclouvain Openjpeg, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-03-02.
- How severe is CVE-2018-7648?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-7648 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.