Read the docs
TI-2010-01567 Aliases CVE-2010-1623GHSA-2cc8-vf33-qm9m

Memory leak in the apr_brigade_split_line function in buckets/apr_brigade.c in the Apache…

Priority MEDIUM 42CWE-119Published · 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-119 and the CVSS impact.

Summary

Memory leak in the apr_brigade_split_line function in buckets/apr_brigade.c in the Apache Portable Runtime Utility library (aka APR-util) before 1.3.10, as used in the mod_reqtimeout module in the Apache HTTP Server and other software, allows remote attackers to cause a denial of service (memory consumption) via unspecified vectors related to the destruction of an APR bucket.

Why it matters now

EPSS 0.2033 97th 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

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

CPE configurations NVD · 44

CPEVersionsRoleVendor
cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:*up to 1.3.9VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.1:*:*:*:*:*:*:*0.9.1VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.2:*:*:*:*:*:*:*0.9.2VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.3:*:*:*:*:*:*:*0.9.3VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.4:*:*:*:*:*:*:*0.9.4VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.5:*:*:*:*:*:*:*0.9.5VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.6:*:*:*:*:*:*:*0.9.6VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.7:*:*:*:*:*:*:*0.9.7VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.8:*:*:*:*:*:*:*0.9.8VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.9:*:*:*:*:*:*:*0.9.9VulnerableApache
  • cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:* Versions up to 1.3.9 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.4:*:*:*:*:*:*:* Versions 0.9.4 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.5:*:*:*:*:*:*:* Versions 0.9.5 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.6:*:*:*:*:*:*:* Versions 0.9.6 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.7:*:*:*:*:*:*:* Versions 0.9.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.8:*:*:*:*:*:*:* Versions 0.9.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.9:*:*:*:*:*:*:* Versions 0.9.9 Vulnerable ·Apache
Show 34 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:apache:apr-util:0.9.10:*:*:*:*:*:*:*0.9.10VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.11:*:*:*:*:*:*:*0.9.11VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.12:*:*:*:*:*:*:*0.9.12VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.13:*:*:*:*:*:*:*0.9.13VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.14:*:*:*:*:*:*:*0.9.14VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.15:*:*:*:*:*:*:*0.9.15VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.16:*:*:*:*:*:*:*0.9.16VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.17:*:*:*:*:*:*:*0.9.17VulnerableApache
cpe:2.3:a:apache:apr-util:0.9.18:*:*:*:*:*:*:*0.9.18VulnerableApache
cpe:2.3:a:apache:apr-util:1.0:*:*:*:*:*:*:*1.0VulnerableApache
cpe:2.3:a:apache:apr-util:1.0.1:*:*:*:*:*:*:*1.0.1VulnerableApache
cpe:2.3:a:apache:apr-util:1.0.2:*:*:*:*:*:*:*1.0.2VulnerableApache
cpe:2.3:a:apache:apr-util:1.1.0:*:*:*:*:*:*:*1.1.0VulnerableApache
cpe:2.3:a:apache:apr-util:1.1.1:*:*:*:*:*:*:*1.1.1VulnerableApache
cpe:2.3:a:apache:apr-util:1.1.2:*:*:*:*:*:*:*1.1.2VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.6:*:*:*:*:*:*:*1.2.6VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.7:*:*:*:*:*:*:*1.2.7VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.8:*:*:*:*:*:*:*1.2.8VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.9:*:*:*:*:*:*:*1.2.9VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.10:*:*:*:*:*:*:*1.2.10VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.12:*:*:*:*:*:*:*1.2.12VulnerableApache
cpe:2.3:a:apache:apr-util:1.2.13:*:*:*:*:*:*:*1.2.13VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.1:*:*:*:*:*:*:*1.3.1VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.2:*:*:*:*:*:*:*1.3.2VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.3:*:*:*:*:*:*:*1.3.3VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.4:*:*:*:*:*:*:*1.3.4VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.5:*:*:*:*:*:*:*1.3.5VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.6:*:*:*:*:*:*:*1.3.6VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.7:*:*:*:*:*:*:*1.3.7VulnerableApache
cpe:2.3:a:apache:apr-util:1.3.8:*:*:*:*:*:*:*1.3.8VulnerableApache
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*2.0.35 to before 2.0.64; 2.2.0 to before 2.2.17VulnerableApache
  • cpe:2.3:a:apache:apr-util:0.9.10:*:*:*:*:*:*:* Versions 0.9.10 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.11:*:*:*:*:*:*:* Versions 0.9.11 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.12:*:*:*:*:*:*:* Versions 0.9.12 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.13:*:*:*:*:*:*:* Versions 0.9.13 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.14:*:*:*:*:*:*:* Versions 0.9.14 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.15:*:*:*:*:*:*:* Versions 0.9.15 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.16:*:*:*:*:*:*:* Versions 0.9.16 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.17:*:*:*:*:*:*:* Versions 0.9.17 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:0.9.18:*:*:*:*:*:*:* Versions 0.9.18 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.1.0:*:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.1.1:*:*:*:*:*:*:* Versions 1.1.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.1.2:*:*:*:*:*:*:* Versions 1.1.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.6:*:*:*:*:*:*:* Versions 1.2.6 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.8:*:*:*:*:*:*:* Versions 1.2.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.9:*:*:*:*:*:*:* Versions 1.2.9 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.10:*:*:*:*:*:*:* Versions 1.2.10 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.12:*:*:*:*:*:*:* Versions 1.2.12 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.2.13:*:*:*:*:*:*:* Versions 1.2.13 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.6:*:*:*:*:*:*:* Versions 1.3.6 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.7:*:*:*:*:*:*:* Versions 1.3.7 Vulnerable ·Apache
  • cpe:2.3:a:apache:apr-util:1.3.8:*:*:*:*:*:*:* Versions 1.3.8 Vulnerable ·Apache
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.0.35 to before 2.0.64; 2.2.0 to before 2.2.17 Vulnerable ·Apache

Remediation

Red Hat 3 advisories

  • RHSA-2011:0897 Released 2011-06-22 · Red Hat rating Moderate
    JBoss Enterprise Web Server 1.0.2 update
    • Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server ant-1.7.1-13.jdk6.ep5.el5, ant-antlr-1.7.1-13.jdk6.ep5.el5, ant-apache-bcel-1.7.1-13.jdk6.ep5.el5 +47
    • Red Hat JBoss Enterprise Web Server 1 for RHEL 6 Server ant-1.7.1-14.ep5.el6, ant-antlr-1.7.1-14.ep5.el6, ant-apache-bcel-1.7.1-14.ep5.el6 +47
    • Red Hat JBoss Web Server 1.0 for RHEL 4 AS ant-1.7.1-13.jdk6.ep5.el4, antlr-2.7.7-7.ep5.el4, bcel-5.2-8.1.ep5.el4 +47
    • Red Hat JBoss Web Server 1.0 for RHEL 4 ES ant-1.7.1-13.jdk6.ep5.el4, antlr-2.7.7-7.ep5.el4, bcel-5.2-8.1.ep5.el4 +47
  • RHSA-2011:0896 Released 2011-06-22 · Red Hat rating Moderate
    JBoss Enterprise Web Server 1.0.2 update
    • Red Hat JBoss Web Server 1.0
  • RHSA-2010:0950 Released 2010-12-08 · Red Hat rating Moderate
    apr-util security update
    • Red Hat Enterprise Linux (v. 5 server) apr-util-1.2.7-11.el5_5.2, apr-util-1.2.7-11.el5_5.2.i386, apr-util-1.2.7-11.el5_5.2.ia64 +13
    • Red Hat Enterprise Linux AS version 4 apr-util-0.9.4-22.el4_8.3, apr-util-0.9.4-22.el4_8.3.i386, apr-util-0.9.4-22.el4_8.3.ia64 +5
    • Red Hat Enterprise Linux Desktop (v. 5 client) apr-util-1.2.7-11.el5_5.2, apr-util-1.2.7-11.el5_5.2.i386, apr-util-docs-1.2.7-11.el5_5.2 +3
    • Red Hat Enterprise Linux Desktop (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-ldap-1.3.9-3.el6_0.1
    • Red Hat Enterprise Linux Desktop Optional (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-devel-1.3.9-3.el6_0.1, apr-util-mysql-1.3.9-3.el6_0.1 +3
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) apr-util-1.2.7-11.el5_5.2, apr-util-devel-1.2.7-11.el5_5.2, apr-util-devel-1.2.7-11.el5_5.2.i386
    • Red Hat Enterprise Linux Desktop version 4 apr-util-0.9.4-22.el4_8.3, apr-util-0.9.4-22.el4_8.3.i386, apr-util-devel-0.9.4-22.el4_8.3 +1
    • Red Hat Enterprise Linux ES version 4 apr-util-0.9.4-22.el4_8.3, apr-util-0.9.4-22.el4_8.3.i386, apr-util-0.9.4-22.el4_8.3.ia64 +3
    • Red Hat Enterprise Linux HPC Node (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-ldap-1.3.9-3.el6_0.1
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-devel-1.3.9-3.el6_0.1, apr-util-mysql-1.3.9-3.el6_0.1 +3
    • Red Hat Enterprise Linux Server (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-1.3.9-3.el6_0.1.ppc, apr-util-devel-1.3.9-3.el6_0.1 +2
    • Red Hat Enterprise Linux Server Optional (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-mysql-1.3.9-3.el6_0.1, apr-util-odbc-1.3.9-3.el6_0.1 +2
    • Red Hat Enterprise Linux WS version 4 apr-util-0.9.4-22.el4_8.3, apr-util-0.9.4-22.el4_8.3.i386, apr-util-0.9.4-22.el4_8.3.ia64 +3
    • Red Hat Enterprise Linux Workstation (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-devel-1.3.9-3.el6_0.1, apr-util-ldap-1.3.9-3.el6_0.1
    • Red Hat Enterprise Linux Workstation Optional (v. 6) apr-util-1.3.9-3.el6_0.1, apr-util-mysql-1.3.9-3.el6_0.1, apr-util-odbc-1.3.9-3.el6_0.1 +2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2010:0950
Red Hat Enterprise Linux AS version 4Fixed RHSA-2010:0950
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2010:0950
Red Hat Enterprise Linux ES version 4Fixed RHSA-2010:0950
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux WS version 4Fixed RHSA-2010:0950
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2010:0950
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2010:0950
Red Hat JBoss Enterprise Web Server 1 for RHEL 5 ServerFixed RHSA-2011:0897
Red Hat JBoss Enterprise Web Server 1 for RHEL 6 ServerFixed RHSA-2011:0897
Red Hat JBoss Web Server 1.0Fixed RHSA-2011:0896
Red Hat JBoss Web Server 1.0 for RHEL 4 ASFixed RHSA-2011:0897
Red Hat JBoss Web Server 1.0 for RHEL 4 ESFixed RHSA-2011:0897

Timeline

  1. 2026-10-02 Threatist record created from CVE-2010-1623
  2. 2026-10-03 Alias added: GHSA-2cc8-vf33-qm9m

References

Advisory 43

  • TI-2009-01863 The expat XML parser in the apr_xml_* interface in xml/apr_xml.c in Apache APR-util… CVSS 3.1HIGH 7.5
  • TI-2009-02302 Multiple integer overflows in the Apache Portable Runtime (APR) library and the Apache… CVSS 2.0HIGH 10.0
  • TI-2026-26488 Apache Portable Runtime Utility: SQL Injection in apr_dbd_oracle CVSS 3.1CRITICAL 9.1
  • TI-2026-24855 Apache Portable Runtime Utility: apr-util XML stack recursion crash CVSS 3.1CRITICAL 9.1
  • TI-2009-01864 Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on… CVSS 2.0MEDIUM 6.4
  • TI-2026-26754 Apache Portable Runtime Utility: Heap buffer overflow in APR memcached client CVSS 3.1HIGH 7.5
See all 10 →

Sources