CVE-2013-2221

CVE-2013-2221 is a high-severity vulnerability in Wernerd Zrtpcpp with a CVSS 2.0 base score of 7.5. 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

Description

Heap-based buffer overflow in the ZRtp::storeMsgTemp function in GNU ZRTPCPP before 3.2.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large packet.

Frequently asked questions

What is CVE-2013-2221?
Heap-based buffer overflow in the ZRtp::storeMsgTemp function in GNU ZRTPCPP before 3.2.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large packet.
How severe is CVE-2013-2221?
CVE-2013-2221 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-2221 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2221?
CVE-2013-2221 primarily affects Wernerd Zrtpcpp. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2221?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-2221 published?
CVE-2013-2221 was published on 2013-10-04 and last updated on 2026-06-16.

References

Affected products (7)

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