CVE-2011-0764

T1lib vulnerability

CVSS

6.8

EPSS

13.1%

EPSS pct

96th

Exploited

No known

t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.

Affected vendor

T1lib

Affected product

T1lib

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2011-03-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium 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 13.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2011-0764

Confirm whether T1lib T1lib is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-0764.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-0764

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