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CVE-2015-1283

24
FAUCET Score

CVE-2015-1283 describes multiple integer overflows in the XML_GetBuffer function of Expat through version 2.1.0, impacting products like Google Chrome, Debian, and Oracle. This vulnerability allows remote attackers to trigger a denial of service via a heap-based buffer overflow or potentially other unspecified impacts through crafted XML data. With a CVSS score of 6.8, it has a network-based attack vector, medium complexity, and potential for partial confidentiality, integrity, and availability impact. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 43.0.2357.134CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
<= 2.1.0CPE matchmatch criteria
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
>= 2.7.0, < 2.7.12CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.3.0, < 3.3.7CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.5CPE matchmatch criteria
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
15.37%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1537 is in the 97th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:44.0.2403.89-1.el6
View patch

Vendor Advisories (1)

redhatCVE-2015-1283Important

chromium-browser: Heap-buffer-overflow in expat.

Jul 21, 2015

References

googlechromereleases.blogspot.com / 2015/07/stable-channel-update_21.html
lists.opensuse.org / opensuse-security-announce/2015-07/msg00038.html
lists.opensuse.org / opensuse-security-announce/2016-05/msg00064.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00006.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00007.html
lists.opensuse.org / opensuse-security-announce/2016-06/msg00010.html
rhn.redhat.com / errata/RHSA-2015-1499.html
code.google.com / p/chromium/issues/detail
codereview.chromium.org / 1224303003
kc.mcafee.com / corporate/index
security.gentoo.org / glsa/201603-09
security.gentoo.org / glsa/201701-21
source.android.com / security/bulletin/2016-11-01.html
tenable.com / security/tns-2016-20
debian.org / security/2015/dsa-3315
debian.org / security/2015/dsa-3318
oracle.com / technetwork/topics/security/bulletinjul2016-3090568.html
securityfocus.com / bid/75973
securitytracker.com / id/1033031
ubuntu.com / usn/USN-2726-1