How severe is CVE-2011-1552?

CVE-2011-1552 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-1552 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1552?

CVE-2011-1552 primarily affects T1lib. In total, 64 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1552?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1552 published?

CVE-2011-1552 was published on 2011-03-31 and last updated on 2026-06-16.

CVE-2011-1552

CVE-2011-1552 is a medium-severity vulnerability in T1lib with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: T1lib
Published: 2011-03-31
Last modified: 2026-06-16

Description

t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, reads from invalid memory locations, which allows remote attackers to cause a denial of service (application crash) via a crafted Type 1 font in a PDF document, a different vulnerability than CVE-2011-0764.

Frequently asked questions

What is CVE-2011-1552?: t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, reads from invalid memory locations, which allows remote attackers to cause a denial of service (application crash) via a crafted Type 1 font in a PDF document, a different vulnerability than CVE-2011-0764.
How severe is CVE-2011-1552?: CVE-2011-1552 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1552 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1552?: CVE-2011-1552 primarily affects T1lib. In total, 64 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1552?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1552 published?: CVE-2011-1552 was published on 2011-03-31 and last updated on 2026-06-16.

References

Affected products (64)

cpe:2.3:a:t1lib:t1lib:*:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.1:alpha:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.2:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.3:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.4:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.5:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.6:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.7:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.8:beta:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.9:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.0:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.2:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.3:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:t1lib:t1lib:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.5a:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.7a:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.91a:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.91b:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.91c:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.92a:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.92b:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.92c:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.92d:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.92e:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.93a:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.93b:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:0.93c:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:1.00a:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:foolabs:xpdf:3.02pl1:*:*:*:*:*:*:*

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CVE-2011-0433 — Medium (CVSS 6.8): Heap-based buffer overflow in the linetoken function in afmparse.c in t1lib, as used in teTeX 3.0.x, GNOME evince, and…
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