How severe is CVE-2009-1885?

CVE-2009-1885 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1885 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1885?

CVE-2009-1885 primarily affects Apache Xerces-c++. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1885?

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

When was CVE-2009-1885 published?

CVE-2009-1885 was published on 2009-08-11 and last updated on 2026-06-16.

CVE-2009-1885

CVE-2009-1885 is a medium-severity vulnerability in Apache Xerces-c++ with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apache Xerces-c++
Published: 2009-08-11
Last modified: 2026-06-16

Description

Stack consumption vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 2.7.0 and 2.8.0 allows context-dependent attackers to cause a denial of service (application crash) via vectors involving nested parentheses and invalid byte values in "simply nested DTD structures," as demonstrated by the Codenomicon XML fuzzing framework.

Frequently asked questions

What is CVE-2009-1885?: Stack consumption vulnerability in validators/DTD/DTDScanner.cpp in Apache Xerces C++ 2.7.0 and 2.8.0 allows context-dependent attackers to cause a denial of service (application crash) via vectors involving nested parentheses and invalid byte values in "simply nested DTD structures," as demonstrated by the Codenomicon XML fuzzing framework.
How severe is CVE-2009-1885?: CVE-2009-1885 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1885 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1885?: CVE-2009-1885 primarily affects Apache Xerces-c++. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1885?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1885 published?: CVE-2009-1885 was published on 2009-08-11 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:apache:xerces-c\+\+:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:xerces-c\+\+:2.8.0:*:*:*:*:*:*:*

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