CVE-2017-9058

moderate-risk

Published 2017-05-18

In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to incorrect boundary checking in the SIZECHECK macro in lib/ytnef.c.

Do I need to act?

0.39% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Ubuntu Linux

Ytnef

Ytnef Project Canonical

Issue Tracking https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556

Third Party Advisory https://usn.ubuntu.com/3667-1/

Issue Tracking https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862556

Third Party Advisory https://usn.ubuntu.com/3667-1/

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 1/34 · Minimal

Exposure 7/34 · Low