What is CVE-2017-18243?

CVE-2017-18243 is a medium-severity vulnerability in Libav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-03-22.

How severe is CVE-2017-18243?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Libav

CVE-2017-18243

The unpack_parse_unit function in libavcodec/dirac_parser.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault) via a crafted file.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Libav — versions 12.2
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-18243?: CVE-2017-18243 is a medium-severity vulnerability in Libav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-03-22.
How severe is CVE-2017-18243?: Medium severity. CVSS v3 base score is 6.5 out of 10.