CVE-2023-5679: fedoraproject fedora Reachable Assertion
Vulnerability summary
CVE-2023-5679 is a high (CVSS 7.5) Reachable Assertion vulnerability in fedoraproject fedora. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.7% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 13 · Related 6Timeline
- 13-02-2024PublishedVulnerability first disclosed.
- 28-03-2025Last modifiedVulnerability information updated.
Description
A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled. This issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
CVSS metrics
7 scores · 7 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
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem 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
1.24%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.24% 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
Isc2 products
- bind≥ 9.16.12, ≤ 9.16.45 | ≥ 9.18.0, ≤ 9.18.21 | ≥ 9.19.0, ≤ 9.19.19 | 9.16.12:s1 | 9.16.13:s1 | 9.16.14:s1 | 9.16.21:s1 | 9.16.32:s1 | 9.16.36:s1 | 9.16.43:s1 | 9.16.45:s1 | 9.18.11:s1 | 9.18.18:s1 | 9.18.21:s1
- bind 9≥ 9.16.12, ≤ 9.16.45 | ≥ 9.18.0, ≤ 9.18.21 | ≥ 9.19.0, ≤ 9.19.19 | ≥ 9.16.12-S1, ≤ 9.16.45-S1 | ≥ 9.18.11-S1, ≤ 9.18.21-S1
Alpine1 product
- bind≥ 9.16.12, < 9.16.48-r0 | ≥ 9.16.12, < 9.18.24-r0
Chainguard1 product
- bind< 9.18.24-r0
Debian1 product
- bind9< 1:9.18.24-1 | < 1:9.19.21-1
Fedoraproject1 product
- fedoraEOL38 | 39
Netapp1 product
Ubuntu1 product
- bind9< 1:9.18.18-0ubuntu0.22.04.2
Wolfi1 product
- bind< 9.18.24-r0
8 vendors · 9 products