How severe is CVE-2007-3152?

CVE-2007-3152 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-3152 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-3152?

CVE-2007-3152 primarily affects Daniel Stenberg C-ares. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3152?

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-2007-3152 published?

CVE-2007-3152 was published on 2007-06-11 and last updated on 2026-06-16.

CVE-2007-3152

CVE-2007-3152 is a high-severity vulnerability in Daniel Stenberg C-ares 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.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Daniel Stenberg C-ares
Published: 2007-06-11
Last modified: 2026-06-16

Description

c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.

Frequently asked questions

What is CVE-2007-3152?: c-ares before 1.4.0 uses a predictable seed for the random number generator for the DNS Transaction ID field, which might allow remote attackers to spoof DNS responses by guessing the field value.
How severe is CVE-2007-3152?: CVE-2007-3152 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-3152 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-3152?: CVE-2007-3152 primarily affects Daniel Stenberg C-ares. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3152?: 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-2007-3152 published?: CVE-2007-3152 was published on 2007-06-11 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:daniel_stenberg:c-ares:1.0:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:c-ares:1.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:c-ares:1.2:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:c-ares:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:c-ares:1.3:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:c-ares:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:daniel_stenberg:c-ares:1.3.2:*:*:*:*:*:*:*

More vulnerabilities in Daniel Stenberg C-ares

CVE-2007-3153 — Medium (CVSS 5.0): The ares_init:randomize_key function in c-ares, on platforms other than Windows, uses a weak facility for producing a…

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