CVE-2015-3905

Ubuntu Linux vulnerability

CVSS

7.5

EPSS

6.9%

EPSS pct

93th

Exploited

No known

Buffer overflow in the set_cs_start function in t1disasm.c in t1utils before 1.39 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.

Affected vendor

Canonical

Affected product

Ubuntu Linux

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2015-06-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 6.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2015-3905

Confirm whether Canonical Ubuntu Linux is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-3905.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-3905

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