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CVE-2019-25035

CRITICALCVSS 9.8/10EPSS 2.04%

Last modified

CVE-2019-25035 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Unbound before 1.9.5 allows an out-of-bounds write in sldns_bget_token_par. NOTE: The vendor disputes that this is a vulnerability. EPSS estimates a 2.04% chance of exploitation in the next 30 days.

Description

Unbound before 1.9.5 allows an out-of-bounds write in sldns_bget_token_par. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.04%

78.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NlnetlabsUnbound< 1.9.5
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-25035?
Unbound before 1.9.5 allows an out-of-bounds write in sldns_bget_token_par. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
How severe is CVE-2019-25035?
CVE-2019-25035 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.04% probability of exploitation in the next 30 days.
How do I fix CVE-2019-25035?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-25035?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST