Impact: Low Public Date: 2019-06-26 CWE: CWE-190 Bugzilla: 1728509: CVE-2018-20847 openjpeg: integer overflow in function opj_get_encoding_parameters in openjp2/pi.c An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-20847 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 8 | openjpeg2 | Under investigation |
| Red Hat Enterprise Linux 7 | openjpeg | Under investigation |
| Red Hat Enterprise Linux 7 | openjpeg2 | Under investigation |
| Red Hat Enterprise Linux 6 | openjpeg | Under investigation |
Vulmon