Vulnerability Details : CVE-2018-18827
There exists a heap-based buffer over-read in ff_vc1_pred_dc in vc1_block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.
Vulnerability category: Denial of service
Products affected by CVE-2018-18827
- cpe:2.3:a:libav:libav:12.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18827
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18827
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2018-18827
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18827
-
https://bugzilla.libav.org/show_bug.cgi?id=1135
Bug 1135 – mutilple heap buffer oveflow vulnerabilities in libavcodec/vc1_block.cExploit;Issue Tracking;Third Party Advisory
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