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TI-2006-00053 Aliases CVE-2006-0058GHSA-rwqm-33xf-cwgq

Signal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to…

Priority MEDIUM 56Published · Updated

Key facts

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

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

Summary

Signal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to execute arbitrary code by triggering timeouts in a way that causes the setjmp and longjmp function calls to be interrupted and modify unexpected memory locations.

Why it matters now

EPSS 0.28735 98th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

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 · 6

CPEVersionsRoleVendor
cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:*8.13.0VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.13.1:*:*:*:*:*:*:*8.13.1VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.13.2:*:*:*:*:*:*:*8.13.2VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.13.3:*:*:*:*:*:*:*8.13.3VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.13.4:*:*:*:*:*:*:*8.13.4VulnerableSendmail
cpe:2.3:a:sendmail:sendmail:8.13.5:*:*:*:*:*:*:*8.13.5VulnerableSendmail
  • cpe:2.3:a:sendmail:sendmail:8.13.0:*:*:*:*:*:*:* Versions 8.13.0 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.13.1:*:*:*:*:*:*:* Versions 8.13.1 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.13.2:*:*:*:*:*:*:* Versions 8.13.2 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.13.3:*:*:*:*:*:*:* Versions 8.13.3 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.13.4:*:*:*:*:*:*:* Versions 8.13.4 Vulnerable ·Sendmail
  • cpe:2.3:a:sendmail:sendmail:8.13.5:*:*:*:*:*:*:* Versions 8.13.5 Vulnerable ·Sendmail

Remediation

Red Hat 2 advisories

  • RHSA-2006:0264 Released 2006-03-22 · Red Hat rating Critical
    sendmail security update
    • Red Hat Desktop version 3 sendmail-8.12.11-4.RHEL3.4, sendmail-8.12.11-4.RHEL3.4.i386, sendmail-cf-8.12.11-4.RHEL3.4 +5
    • Red Hat Enterprise Linux AS version 3 sendmail-8.12.11-4.RHEL3.4, sendmail-8.12.11-4.RHEL3.4.i386, sendmail-8.12.11-4.RHEL3.4.ia64 +13
    • Red Hat Enterprise Linux AS version 4 sendmail-8.13.1-3.RHEL4.3, sendmail-8.13.1-3.RHEL4.3.i386, sendmail-8.13.1-3.RHEL4.3.ia64 +13
    • Red Hat Enterprise Linux Desktop version 4 sendmail-8.13.1-3.RHEL4.3, sendmail-8.13.1-3.RHEL4.3.i386, sendmail-cf-8.13.1-3.RHEL4.3 +5
    • Red Hat Enterprise Linux ES version 3 sendmail-8.12.11-4.RHEL3.4, sendmail-8.12.11-4.RHEL3.4.i386, sendmail-8.12.11-4.RHEL3.4.ia64 +9
    • Red Hat Enterprise Linux ES version 4 sendmail-8.13.1-3.RHEL4.3, sendmail-8.13.1-3.RHEL4.3.i386, sendmail-8.13.1-3.RHEL4.3.ia64 +9
    • Red Hat Enterprise Linux WS version 3 sendmail-8.12.11-4.RHEL3.4, sendmail-8.12.11-4.RHEL3.4.i386, sendmail-8.12.11-4.RHEL3.4.ia64 +9
    • Red Hat Enterprise Linux WS version 4 sendmail-8.13.1-3.RHEL4.3, sendmail-8.13.1-3.RHEL4.3.i386, sendmail-8.13.1-3.RHEL4.3.ia64 +9
  • RHSA-2006:0265 Released 2006-03-22 · Red Hat rating Critical
    sendmail security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1
    • Red Hat Linux Advanced Workstation 2.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2006:0264
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2006:0265
Red Hat Enterprise Linux AS version 3Fixed RHSA-2006:0264
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0264
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0264
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2006:0265
Red Hat Enterprise Linux ES version 3Fixed RHSA-2006:0264
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0264
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2006:0265
Red Hat Enterprise Linux WS version 3Fixed RHSA-2006:0264
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0264
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2006:0265

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-0058
  2. 2026-10-03 Alias added: GHSA-rwqm-33xf-cwgq

References

  • TI-2002-01263 Buffer overflow in Sendmail 5.79 to 8.12.7 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
  • TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
  • TI-2003-00154 The prescan() function in the address parser (parseaddr.c) in Sendmail before 8.12.9 does… CVSS 2.0HIGH 10.0
  • TI-2003-00632 A "potential buffer overflow in ruleset parsing" for Sendmail 8.12.9, when using the… CVSS 2.0HIGH 7.5
  • TI-2006-04282 Use-after-free vulnerability in Sendmail before 8.13.8 allows remote attackers to cause a… CVSS 3.1HIGH 7.5
  • TI-2002-00879 Buffer overflow in Sendmail before 8.12.5, when configured to use a custom DNS map to… CVSS 2.0HIGH 7.5
See all 32 →

Sources