5.3

CVE-2026-3592: isc bind

CVSS: 5.3v3.1MediumAnalyzed
AliasesALPINE-CVE-2026-3592UBUNTU-CVE-2026-3592DEBIAN-CVE-2026-3592
Published 20-05-2026Last modified 20-05-2026
Open JSON

Vulnerability summary

CVE-2026-3592 is a medium (CVSS 5.3) vulnerability in isc bind. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.3% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 11
MGASA-2026-0163OPENSUSE-SU-2026:10874-1OPENSUSE-SU-2026:21123-1RHSA-2026:20334SUSE-SU-2026:22198-1SUSE-SU-2026:2616-1

Timeline

  1. 20-05-2026
    PublishedVulnerability first disclosed.
  2. 20-05-2026
    Last modifiedVulnerability information updated.

Description

BIND resolvers are vulnerable to an amplified resource consumption/exhaustion attack. If a victim resolver makes a query to a specially crafted zone, the resolver will consume disproportionate resources. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

0.00 pp

From 0.41% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu3 products
  • bind9< 1:9.11.3+dfsg-1ubuntu1.19+esm5 | < 1:9.18.30-0ubuntu0.20.04.2+esm2 | < 1:9.18.39-0ubuntu0.22.04.4 | < 1:9.18.39-0ubuntu0.24.04.5 | < 1:9.20.11-1ubuntu2.4 | < 1:9.20.18-1ubuntu2.1
  • bind9-libsAll versions (No fix recorded)
  • isc-dhcpAll versions (No fix recorded)
Isc2 products
  • bind≥ 9.11.0, ≤ 9.16.50 | ≥ 9.18.0, < 9.18.49 | ≥ 9.20.0, < 9.20.23 | ≥ 9.21.0, < 9.21.22
  • bind 9≥ 9.11.0, ≤ 9.16.50 | ≥ 9.18.0, ≤ 9.18.48 | ≥ 9.20.0, ≤ 9.20.22 | ≥ 9.21.0, ≤ 9.21.21 | ≥ 9.11.3-S1, ≤ 9.16.50-S1 | ≥ 9.18.11-S1, ≤ 9.18.48-S1 | ≥ 9.20.9-S1, ≤ 9.20.22-S1
Alpine1 product
  • bind≥ 9.11.0, < 9.18.49-r0 | ≥ 9.11.0, < 9.20.23-r0
Debian1 product
  • bind9< 1:9.18.49-1~deb12u2 | < 1:9.20.23-1~deb13u1 | < 1:9.20.23-1

4 vendors · 7 products

References

11 links
Show all 11 references