Is CVE-2010-1623 being actively exploited?

CVE-2010-1623 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-1623?

CVE-2010-1623 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2010-1623

MEDIUM · CVSS 5.0EPSS 20.3%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-119
EPSS score: 20.3% (97th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-1646)
Published: October 4, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-1646 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / apr-util
apache / http server

References

http://blogs.sun.com/security/entry/cve_2010_1623_memory_leak(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049885.html(Mailing List, Third Party Advisory)
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049939.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=130168502603566&w=2(Mailing List, Third 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 List, Third 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 Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1022-1(Third Party Advisory)
http://www.vupen.com/english/advisories/2010/2556(Patch, Vendor 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%3E(Mailing List, Third Party Advisory)
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E(Mailing List, Third Party Advisory)
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E(Mailing List, Third Party Advisory)
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E(Mailing List, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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