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TI-2007-02832 Aliases CVE-2007-2926GHSA-f6h8-pjrf-562j

ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS…

Priority LOW 35Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
None · Partial · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.

Why it matters now

EPSS 0.1309 96th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:isc:bind:9.0:*:*:*:*:*:*:*9.0VulnerableISC
cpe:2.3:a:isc:bind:9.1:*:*:*:*:*:*:*9.1VulnerableISC
cpe:2.3:a:isc:bind:9.2:*:*:*:*:*:*:*9.2VulnerableISC
cpe:2.3:a:isc:bind:9.3:*:*:*:*:*:*:*9.3VulnerableISC
cpe:2.3:a:isc:bind:9.4:*:*:*:*:*:*:*9.4VulnerableISC
cpe:2.3:a:isc:bind:9.5:*:*:*:*:*:*:*9.5VulnerableISC
cpe:2.3:a:isc:bind:9.5.0:*:*:*:*:*:*:*9.5.0VulnerableISC
  • cpe:2.3:a:isc:bind:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.1:*:*:*:*:*:*:* Versions 9.1 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.2:*:*:*:*:*:*:* Versions 9.2 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.3:*:*:*:*:*:*:* Versions 9.3 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.4:*:*:*:*:*:*:* Versions 9.4 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.5:*:*:*:*:*:*:* Versions 9.5 Vulnerable ·ISC
  • cpe:2.3:a:isc:bind:9.5.0:*:*:*:*:*:*:* Versions 9.5.0 Vulnerable ·ISC

Remediation

Red Hat 1 advisory

  • RHSA-2007:0740 Released 2007-07-24 · Red Hat rating Moderate
    bind security update
    • Red Hat Desktop version 3 bind-20:9.2.4-21.el3, bind-20:9.2.4-21.el3.i386, bind-chroot-20:9.2.4-21.el3 +7
    • Red Hat Enterprise Linux (v. 5 server) bind-30:9.3.3-9.0.1.el5, bind-30:9.3.3-9.0.1.el5.i386, bind-30:9.3.3-9.0.1.el5.ia64 +29
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 bind-9.2.1-9.el2, bind-9.2.1-9.el2.i386, bind-9.2.1-9.el2.ia64 +4
    • Red Hat Enterprise Linux AS version 3 bind-20:9.2.4-21.el3, bind-20:9.2.4-21.el3.i386, bind-20:9.2.4-21.el3.ia64 +17
    • Red Hat Enterprise Linux AS version 4 bind-20:9.2.4-27.0.1.el4, bind-20:9.2.4-27.0.1.el4.i386, bind-20:9.2.4-27.0.1.el4.ia64 +17
    • Red Hat Enterprise Linux Desktop (v. 5 client) bind-30:9.3.3-9.0.1.el5, bind-30:9.3.3-9.0.1.el5.i386, bind-libs-30:9.3.3-9.0.1.el5 +5
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) bind-30:9.3.3-9.0.1.el5, bind-chroot-30:9.3.3-9.0.1.el5, bind-chroot-30:9.3.3-9.0.1.el5.i386 +6
    • Red Hat Enterprise Linux Desktop version 4 bind-20:9.2.4-27.0.1.el4, bind-20:9.2.4-27.0.1.el4.i386, bind-chroot-20:9.2.4-27.0.1.el4 +7
    • Red Hat Enterprise Linux ES version 2.1 bind-9.2.1-9.el2, bind-9.2.1-9.el2.i386, bind-devel-9.2.1-9.el2.i386 +1
    • Red Hat Enterprise Linux ES version 3 bind-20:9.2.4-21.el3, bind-20:9.2.4-21.el3.i386, bind-20:9.2.4-21.el3.ia64 +12
    • Red Hat Enterprise Linux ES version 4 bind-20:9.2.4-27.0.1.el4, bind-20:9.2.4-27.0.1.el4.i386, bind-20:9.2.4-27.0.1.el4.ia64 +12
    • Red Hat Enterprise Linux WS version 2.1 bind-9.2.1-9.el2, bind-9.2.1-9.el2.i386, bind-devel-9.2.1-9.el2.i386 +1
    • Red Hat Enterprise Linux WS version 3 bind-20:9.2.4-21.el3, bind-20:9.2.4-21.el3.i386, bind-20:9.2.4-21.el3.ia64 +12
    • Red Hat Enterprise Linux WS version 4 bind-20:9.2.4-27.0.1.el4, bind-20:9.2.4-27.0.1.el4.i386, bind-20:9.2.4-27.0.1.el4.ia64 +12
    • Red Hat Linux Advanced Workstation 2.1 bind-9.2.1-9.el2, bind-9.2.1-9.el2.ia64, bind-devel-9.2.1-9.el2.ia64 +1

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2007:0740
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:0740
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2007:0740
Red Hat Enterprise Linux AS version 3Fixed RHSA-2007:0740
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:0740
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:0740
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2007:0740
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2007:0740
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2007:0740
Red Hat Enterprise Linux ES version 3Fixed RHSA-2007:0740
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:0740
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2007:0740
Red Hat Enterprise Linux WS version 3Fixed RHSA-2007:0740
Red Hat Enterprise Linux WS version 4Fixed RHSA-2007:0740
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2007:0740

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-2926
  2. 2026-10-03 Alias added: GHSA-f6h8-pjrf-562j

References

Advisory 20

Other 17

  • TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
  • TI-2023-27571 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related… CVSS 3.1HIGH 7.5
  • TI-2021-07476 A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack CVSS 3.1CRITICAL 9.8
  • TI-2023-27773 The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance… CVSS 3.1HIGH 7.5
  • TI-2020-06910 A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c CVSS 3.1HIGH 7.5
  • TI-2016-02320 buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x… CVSS 3.0HIGH 7.5
See all 192 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences