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TI-2009-04784 Aliases CVE-2009-5029GHSA-m45f-chfc-x7hh

Integer overflow in the __tzfile_read function in glibc before 2.15 allows…

Priority MEDIUM 41CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Partial Red Hat: 14 fixed, 3 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

Integer overflow in the __tzfile_read function in glibc before 2.15 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted timezone (TZ) file, as demonstrated using vsftpd.

Why it matters now

EPSS 0.08762 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 3 advisoriesRed Hat: 14 fixed, 3 without a fix

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 · 15

CPEVersionsRoleVendor
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*up to 2.14VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:*2.0VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:*2.0.1VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:*2.0.2VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:*2.0.3VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:*2.0.4VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:*2.0.5VulnerableGNU
cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:*2.0.6VulnerableGNU
cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:*2.1VulnerableGNU
cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:*2.1.1VulnerableGNU
  • cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions up to 2.14 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·GNU
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:*2.1.1.6VulnerableGNU
cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:*2.1.2VulnerableGNU
cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:*2.1.3VulnerableGNU
cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:*2.1.9VulnerableGNU
cpe:2.3:a:gnu:glibc:2.13:*:*:*:*:*:*:*2.13VulnerableGNU
  • cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* Versions 2.1.1.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:* Versions 2.1.9 Vulnerable ·GNU
  • cpe:2.3:a:gnu:glibc:2.13:*:*:*:*:*:*:* Versions 2.13 Vulnerable ·GNU

Remediation

Red Hat 3 advisories

  • RHSA-2012:0126 Released 2012-02-13 · Red Hat rating Moderate
    glibc security update
    • Red Hat Enterprise Linux (v. 5 server) glibc-2.5-65.el5_7.3, glibc-2.5-65.el5_7.3.i386, glibc-2.5-65.el5_7.3.ia64 +21
    • Red Hat Enterprise Linux Desktop (v. 5 client) glibc-2.5-65.el5_7.3, glibc-2.5-65.el5_7.3.i386, glibc-common-2.5-65.el5_7.3 +9
  • RHSA-2012:0125 Released 2012-02-13 · Red Hat rating Moderate
    glibc security and bug fix update
    • Red Hat Enterprise Linux AS version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-2.3.4-2.57.ia64 +29
    • Red Hat Enterprise Linux Desktop version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-common-2.3.4-2.57 +13
    • Red Hat Enterprise Linux ES version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-2.3.4-2.57.ia64 +21
    • Red Hat Enterprise Linux WS version 4 glibc-2.3.4-2.57, glibc-2.3.4-2.57.i386, glibc-2.3.4-2.57.ia64 +21
  • RHSA-2012:0058 Released 2012-01-24 · Red Hat rating Moderate
    glibc security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) glibc-2.12-1.47.el6_2.5, glibc-common-2.12-1.47.el6_2.5, glibc-devel-2.12-1.47.el6_2.5 +3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) glibc-2.12-1.47.el6_2.5, glibc-static-2.12-1.47.el6_2.5
    • Red Hat Enterprise Linux HPC Node (v. 6) glibc-2.12-1.47.el6_2.5, glibc-common-2.12-1.47.el6_2.5, glibc-devel-2.12-1.47.el6_2.5 +3
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) glibc-2.12-1.47.el6_2.5, glibc-static-2.12-1.47.el6_2.5
    • Red Hat Enterprise Linux Server (v. 6) glibc-2.12-1.47.el6_2.5, glibc-2.12-1.47.el6_2.5.ppc, glibc-common-2.12-1.47.el6_2.5 +5
    • Red Hat Enterprise Linux Server Optional (v. 6) glibc-2.12-1.47.el6_2.5, glibc-static-2.12-1.47.el6_2.5, glibc-static-2.12-1.47.el6_2.5.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) glibc-2.12-1.47.el6_2.5, glibc-common-2.12-1.47.el6_2.5, glibc-devel-2.12-1.47.el6_2.5 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) glibc-2.12-1.47.el6_2.5, glibc-static-2.12-1.47.el6_2.5

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix yet
Red Hat Enterprise Linux 5AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0126
Red Hat Enterprise Linux AS version 4Fixed RHSA-2012:0125
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0126
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2012:0125
Red Hat Enterprise Linux ES version 4Fixed RHSA-2012:0125
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux WS version 4Fixed RHSA-2012:0125
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0058
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0058

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-5029
  2. 2026-10-03 Alias added: GHSA-m45f-chfc-x7hh
  3. 2026-10-12 EPSS moved to the 95th–99th percentile

References

Exploit 2

Other 3

  • TI-2023-04522 Glibc: buffer overflow in ld.so leading to privilege escalation KEVCVSS 3.1HIGH 7.8
  • TI-2015-00205 Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and… CVSS 2.0HIGH 10.0
  • TI-2026-04772 scanf %mc off-by-one heap buffer overflow CVSS 3.1CRITICAL 9.8
  • TI-2022-07360 The deprecated compatibility function clnt_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
  • TI-2022-07359 The deprecated compatibility function svcunix_create in the sunrpc module of the GNU C… CVSS 3.1CRITICAL 9.8
  • TI-2015-06274 Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the… CVSS 3.0HIGH 8.1
See all 162 →

Sources

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