What is CVE-2017-17866?

CVE-2017-17866 is a high-severity vulnerability in Artifex Mupdf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-12-27.

How severe is CVE-2017-17866?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2017-17866 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Artifex Mupdf

CVE-2017-17866

pdf/pdf-write.c in Artifex MuPDF before 1.12.0 mishandles certain length changes when a repair operation occurs during a clean operation, which allows remote attackers to cause a denial of service (buffer overflow and application crash) or…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (35.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Artifex Mupdf
Debian Debian_linux — versions 9.0
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
cve@mitre.org (Permissions Required, x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2017-17866?: CVE-2017-17866 is a high-severity vulnerability in Artifex Mupdf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-12-27.
How severe is CVE-2017-17866?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-17866 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.