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CVE-2010-5298

33
FAUCET Score

CVE-2010-5298 describes a race condition in the OpenSSL ssl3_read_bytes function, affecting products like OpenSSL, MariaDB, and SUSE. This vulnerability allows remote attackers to inject data across sessions or cause a denial of service (use-after-free) in multithreaded environments when SSL_MODE_RELEASE_BUFFERS is enabled. With a CVSS score of 4.0, it has a network attack vector and high attack complexity, potentially leading to partial integrity and availability impacts. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion and media coverage, indicating awareness despite its age.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.1gCPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.0.13CPE matchmatch criteria
cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
19CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
20CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
12CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
34.13%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3413 is in the 99th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssl-0:1.0.1e-16.el6_5.14
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openssl-1:1.0.1e-34.el7_0.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Storage 2.1Fixed in: openssl-0:1.0.1e-16.el6_5.14
View patch

Vendor Advisories (1)

redhatCVE-2010-5298Moderate

openssl: freelist misuse causing a possible use-after-free

Apr 8, 2014

References

advisories.mageia.org / MGASA-2014-0187.html
Third Party Advisory
ftp.openbsd.org / pub/OpenBSD/patches/5.5/common/004_openssl.patch.sig
PatchThird Party Advisory
kb.juniper.net / InfoCenter/index
Third Party Advisory
kb.juniper.net / InfoCenter/index
Permissions Required
lists.fedoraproject.org / pipermail/package-announce/2014-August/136470.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2014-August/136473.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-04/msg00016.html
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2014/04/13/1
Mailing ListPatch
seclists.org / fulldisclosure/2014/Dec/23
Mailing ListThird Party Advisory
secunia.com / advisories/58337
Not Applicable
secunia.com / advisories/58713
Not Applicable
secunia.com / advisories/58939
Not Applicable
secunia.com / advisories/58977
Not Applicable
secunia.com / advisories/59162
Not Applicable
secunia.com / advisories/59287
Not Applicable
secunia.com / advisories/59300
Not Applicable
secunia.com / advisories/59301
Not Applicable
secunia.com / advisories/59342
Not Applicable
secunia.com / advisories/59413
Not Applicable
secunia.com / advisories/59437
Not Applicable
secunia.com / advisories/59438
Not Applicable
secunia.com / advisories/59440
Not Applicable
secunia.com / advisories/59450
Not Applicable
secunia.com / advisories/59490
Not Applicable
secunia.com / advisories/59655
Not Applicable
secunia.com / advisories/59666
Not Applicable
secunia.com / advisories/59669
Not Applicable
secunia.com / advisories/59721
Not Applicable
security.gentoo.org / glsa/glsa-201407-05.xml
Third Party Advisory
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
Third Party Advisory
kb.bluecoat.com / index
Broken Link
kc.mcafee.com / corporate/index
Broken Link
rt.openssl.org / Ticket/Display.html
Broken Link
rt.openssl.org / Ticket/Display.html
Broken Link
support.citrix.com / article/CTX140876
Third Party Advisory
svnweb.freebsd.org / ports/head/security/openssl/files/patch-ssl-s3_pkt.c
Broken Link
novell.com / support/kb/doc.php
Third Party Advisory
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20140605-openssl
Third Party Advisory
www-01.ibm.com / support/docview.wss
Broken Link
www-01.ibm.com / support/docview.wss
Broken Link
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Broken Link
www-01.ibm.com / support/docview.wss
Broken Link
www-01.ibm.com / support/docview.wss
Broken Link
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-01.ibm.com / support/docview.wss
Third Party Advisory
www-947.ibm.com / support/entry/portal/docdisplay
Broken Link
www-947.ibm.com / support/entry/portal/docdisplay
Broken Link
www-947.ibm.com / support/entry/portal/docdisplay
Broken Link
www-947.ibm.com / support/entry/portal/docdisplay
Broken Link
blackberry.com / btsc/KB36051
Broken Link
fortiguard.com / advisory/FG-IR-14-018
Third Party Advisory
huawei.com / en/security/psirt/security-bulletins/security-advisories/hw-345106.htm
Third Party Advisory
ibm.com / support/docview.wss
Third Party Advisory
ibm.com / support/docview.wss
Third Party Advisory
mandriva.com / security/advisories
Broken Link
mandriva.com / security/advisories
Broken Link
openbsd.org / errata55.html
Third Party Advisory
openssl.org / news/secadv_20140605.txt
Third Party Advisory
oracle.com / technetwork/topics/security/cpujan2015-1972971.html
Third Party Advisory
oracle.com / technetwork/topics/security/cpujul2014-1972956.html
Third Party Advisory
oracle.com / technetwork/topics/security/cpuoct2014-1972960.html
Third Party Advisory
securityfocus.com / archive/1/534161/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / bid/66801
Third Party AdvisoryVDB Entry
tedunangst.com / flak/post/analysis-of-openssl-freelist-reuse
Third Party Advisory
vmware.com / security/advisories/VMSA-2014-0006.html
Third Party Advisory
vmware.com / security/advisories/VMSA-2014-0012.html
Third Party Advisory