CVE-2024-4076: isc bind 9 Reachable Assertion
Vulnerability summary
CVE-2024-4076 is a high (CVSS 7.5) Reachable Assertion vulnerability in isc bind 9. EPSS estimates a 2.11% chance of exploitation in the next 30 days, higher than 81.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 13 · Related 7Timeline
- 23-07-2024PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
Client queries that trigger serving stale data and that also require lookups in local authoritative zone data may result in an assertion failure. This issue affects BIND 9 versions 9.16.13 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.11.33-S1 through 9.11.37-S1, 9.16.13-S1 through 9.16.50-S1, and 9.18.11-S1 through 9.18.27-S1.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.11%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.11% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- bind< 9.18.31-r0 | < 9.18.28-r0
Chainguard1 product
- bind< 9.18.28-r0
Debian1 product
- bind9< 1:9.18.28-1~deb12u1 | < 1:9.20.0-1
Isc1 product
- bind 9≥ 9.16.13, ≤ 9.16.50 | ≥ 9.18.0, ≤ 9.18.27 | ≥ 9.19.0, ≤ 9.19.24 | ≥ 9.11.33-S1, ≤ 9.11.37-S1 | ≥ 9.16.13-S1, ≤ 9.16.50-S1 | ≥ 9.18.11-S1, ≤ 9.18.27-S1
Ubuntu1 product
- bind9< 1:9.18.28-0ubuntu0.20.04.1 | < 1:9.18.28-0ubuntu0.22.04.1 | < 1:9.18.28-0ubuntu0.24.04.1
Wolfi1 product
- bind< 9.18.28-r0
6 vendors · 6 products
References
10 links- kb.isc.org/docs/cve-2024-4076Vendor Advisory