7.5

CVE-2024-1975: isc bind 9

CVSS: 7.5v3.1HighDeferred
AliasesALPINE-CVE-2024-1975UBUNTU-CVE-2024-1975DEBIAN-CVE-2024-1975
Published 23-07-2024Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2024-1975 is a high (CVSS 7.5) 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.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
2.11%
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 25 · Related 12
DSA-5734-1MGASA-2024-0342OPENSUSE-SU-2024:14217-1RHSA-2024:5231RHSA-2024:5390RHSA-2024:5418

Timeline

  1. 23-07-2024
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

If a server hosts a zone containing a "KEY" Resource Record, or a resolver DNSSEC-validates a "KEY" Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests. This issue affects BIND 9 versions 9.0.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.49-S1, and 9.18.11-S1 through 9.18.27-S1.

CVSS metrics

5 scores · 5 sources · 1 version

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 18-09-2026

18-09-202618-10-2026
EPSS score
2.11%

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
  • bind9All versions (No fix recorded) | < 1:9.10.3.dfsg.P4-8ubuntu1.19+esm9 | < 1:9.11.3+dfsg-1ubuntu1.19+esm4 | < 1:9.18.28-0ubuntu0.20.04.1 | < 1:9.18.28-0ubuntu0.22.04.1 | < 1:9.18.28-0ubuntu0.24.04.1
  • bind9-libsAll versions (No fix recorded)
  • isc-dhcpAll versions (No fix recorded)
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≥ 9.0.0, ≤ 9.11.37 | ≥ 9.16.0, ≤ 9.16.50 | ≥ 9.18.0, ≤ 9.18.27 | ≥ 9.19.0, ≤ 9.19.24 | ≥ 9.9.3-S1, ≤ 9.11.37-S1 | ≥ 9.16.8-S1, ≤ 9.16.49-S1 | ≥ 9.18.11-S1, ≤ 9.18.27-S1
Wolfi1 product
  • bind< 9.18.28-r0

6 vendors · 8 products

References

12 links
Show all 12 references