The svc_run function in the RPC implementation in glibc before 2.15 allows remote…
Priority LOW 27CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
The svc_run function in the RPC implementation in glibc before 2.15 allows remote attackers to cause a denial of service (CPU consumption) via a large number of RPC connections.
Why it matters now
EPSS 0.01834 79th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* | up to 2.14 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | GNU |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:glibc:2.1.1.6:*:*:*:*:*:*:* | 2.1.1.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.1.9:*:*:*:*:*:*:* | 2.1.9 | Vulnerable | GNU |
| cpe:2.3:a:gnu:glibc:2.13:*:*:*:*:*:*:* | 2.13 | Vulnerable | GNU |
- 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 Moderateglibc 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 Moderateglibc 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 Moderateglibc 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: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2012:0126 |
| Red Hat Enterprise Linux AS version 4 | Fixed | 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 4 | Fixed | RHSA-2012:0125 |
| Red Hat Enterprise Linux ES version 4 | Fixed | 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 4 | Fixed | 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
- 2026-10-02 Threatist record created from CVE-2011-4609
- 2026-10-03 Alias added: GHSA-crf6-458w-xw5q
References
More GNU Glibc vulnerabilities
- 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
Sources
- CVE-2011-4609 · CVE Program
- CVE-2011-4609 · NVD
- FIRST EPSS
- GHSA-crf6-458w-xw5q · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4609 · Red Hat security data · CC BY 4.0
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