CVE-2015-7498

CVE-2015-7498 is a medium-severity vulnerability in Redhat Enterprise Linux Desktop with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 7% (93rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Redhat Enterprise Linux Desktop
• Published: 2015-12-15
• Last modified: 2026-06-17

Description

Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure.

Frequently asked questions

What is CVE-2015-7498?

Heap-based buffer overflow in the xmlParseXmlDecl function in parser.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors related to extracting errors after an encoding conversion failure.

How severe is CVE-2015-7498?

CVE-2015-7498 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-7498 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-7498?

CVE-2015-7498 primarily affects Redhat Enterprise Linux Desktop. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-7498?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-7498 published?

CVE-2015-7498 was published on 2015-12-15 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
• http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html
• http://marc.info/?l=bugtraq&m=145382616617563&w=2
• http://rhn.redhat.com/errata/RHSA-2015-2549.html
• http://rhn.redhat.com/errata/RHSA-2015-2550.html
• http://rhn.redhat.com/errata/RHSA-2016-1089.html
• http://www.debian.org/security/2015/dsa-3430
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• http://www.securityfocus.com/bid/79548
• http://www.securitytracker.com/id/1034243
• http://www.ubuntu.com/usn/USN-2834-1
• http://xmlsoft.org/news.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1281879
• https://git.gnome.org/browse/libxml2/commit/?id=afd27c21f6b36e22682b7da20d726bce2dcb2f43
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172
• https://security.gentoo.org/glsa/201701-37

Affected products (13)

• cpe:2.3:a:hp:icewall_federation_agent:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:hp:icewall_file_manager:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
• cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

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