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Vulnerability record · CVE-2010-1623 · published 4 October 2010

CVE-2010-1623: Apache apr-util memory buffer overflow vulnerability

Apache · Apr Util

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.

5.0 CVSS 2.0 Medium EPSS 20% · top 2.6% CWE-119 · Memory buffer overflow
5.0CVSS 2.0 base score
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
118References
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blogs.sun.com/security/entry/cve_2010_1623_memory_leak Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049885.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049939.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html Mailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=130168502603566&w=2 Mailing ListThird Party Advisory
http://secunia.com/advisories/41701 Vendor Advisory
http://secunia.com/advisories/42015 Vendor Advisory
http://secunia.com/advisories/42361 Vendor Advisory
http://secunia.com/advisories/42367 Vendor Advisory
http://secunia.com/advisories/42403 Vendor Advisory
http://secunia.com/advisories/42537 Vendor Advisory
http://secunia.com/advisories/43211 Vendor Advisory
http://secunia.com/advisories/43285 Vendor Advisory
http://security-tracker.debian.org/tracker/CVE-2010-1623 Third Party Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.627828 Mailing ListThird Party Advisory
http://svn.apache.org/viewvc?view=revision&revision=1003492 Patch
http://svn.apache.org/viewvc?view=revision&revision=1003493 Patch
http://svn.apache.org/viewvc?view=revision&revision=1003494 Patch
http://svn.apache.org/viewvc?view=revision&revision=1003495 Patch
http://svn.apache.org/viewvc?view=revision&revision=1003626 Patch
http://ubuntu.com/usn/usn-1021-1 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PM31601 Third Party Advisory
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3 URL Repurposed
http://www.mandriva.com/security/advisories?name=MDVSA-2010:192 URL Repurposed
http://www.redhat.com/support/errata/RHSA-2010-0950.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0896.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0897.html Vendor Advisory
http://www.securityfocus.com/bid/43673 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-1022-1 Third Party Advisory
http://www.vupen.com/english/advisories/2010/2556 PatchVendor Advisory
http://www.vupen.com/english/advisories/2010/2557 Vendor Advisory
http://www.vupen.com/english/advisories/2010/2806 Vendor Advisory
http://www.vupen.com/english/advisories/2010/3064 Vendor Advisory
http://www.vupen.com/english/advisories/2010/3065 Vendor Advisory
http://www.vupen.com/english/advisories/2010/3074 Vendor Advisory
http://www.vupen.com/english/advisories/2011/0358 Vendor Advisory
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org% Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org% Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org% Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org% Mailing ListThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-1623), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.