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Fencer Vulns
high 7.6

CVE-2006-0058 in the critical feed json

Signal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to execute arbitrary code by triggering timeouts in…

published 2006-03-22 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0066

cvss
7.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
28.7%
EPSS 28.7% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

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.

Patch / fix

  • sendmail Debian 14, Debian 13, Debian 12 8.13.6-1

debian advisories DEBIAN-CVE-2006-0058

  • sendmail RHEL 3 8.12.11-4.RHEL3.4
  • sendmail RHEL 4 8.13.1-3.RHEL4.3
  • sendmail-cf RHEL 3 8.12.11-4.RHEL3.4
  • sendmail-cf RHEL 4 8.13.1-3.RHEL4.3

red hat advisories RHSA-2006:0264

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-0058 updated

security flaw

  • Red Hat Desktop version 3 sendmail 8.12.11-4.RHEL3.4, sendmail-cf 8.12.11-4.RHEL3.4 Red Hat Enterprise Linux AS version 3 sendmail 8.12.11-4.RHEL3.4, sendmail-cf 8.12.11-4.RHEL3.4 Red Hat Enterprise Linux AS version 4 sendmail 8.13.1-3.RHEL4.3, sendmail-cf 8.13.1-3.RHEL4.3 Red Hat Enterprise Linux Desktop version 4 sendmail 8.13.1-3.RHEL4.3, sendmail-cf 8.13.1-3.RHEL4.3
    fixed: vendor fix RHSA-2006:0264
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2006:0265
  • Red Hat Enterprise Linux ES version 3 sendmail 8.12.11-4.RHEL3.4, sendmail-cf 8.12.11-4.RHEL3.4 Red Hat Enterprise Linux ES version 4 sendmail 8.13.1-3.RHEL4.3, sendmail-cf 8.13.1-3.RHEL4.3
    fixed: vendor fix RHSA-2006:0264
  • Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2006:0265
  • Red Hat Enterprise Linux WS version 3 sendmail 8.12.11-4.RHEL3.4, sendmail-cf 8.12.11-4.RHEL3.4 Red Hat Enterprise Linux WS version 4 sendmail 8.13.1-3.RHEL4.3, sendmail-cf 8.13.1-3.RHEL4.3
    fixed: vendor fix RHSA-2006:0264
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2006:0265

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-2051)

Exploit prediction

28.73% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-2051 Sendmail 8.13.5 - Remote Signal Handling (PoC) dos, 2006-07-21

CVSS scores

assigned by version score vector
NVD 2.0 7.6 AV:N/AC:H/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.