Is CVE-2015-1283 in the CISA KEV catalog?

No. CVE-2015-1283 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-1283?

CVE-2015-1283 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2015-1283?

CVE-2015-1283 has an EPSS score of 19.07% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-1283?

Upgrade expat on debian 11 to 2.1.0-7 or later. Fixes are available for 18 affected products.

CVE & CISA-KEV Catalog

CVE-2015-1283

MEDIUMEPSS 97th pctl

6.8

CVSS v2

NVD

Description

Multiple integer overflows in the XML_GetBuffer function in Expat through 2.1.0, as used in Google Chrome before 44.0.2403.89 and other products, allow remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted XML data, a related issue to CVE-2015-2716.

CWE-190Integer Overflow

How to fix

Remediation Available

expatDebian

Fixed in:2.1.0-7CVE-2015-1283

expatUbuntu

Fixed in:2.1.0-4ubuntu1.1USN-2726-1

lib64expat1Ubuntu

Fixed in:2.1.0-4ubuntu1.1USN-2726-1

libexpat1Ubuntu

Fixed in:2.1.0-4ubuntu1.1USN-2726-1

liboxideqtcore0Ubuntu

Fixed in:1.8.4-0ubuntu0.14.04.2USN-2677-1

libxmltokUbuntu

Fixed in:1.2-3ubuntu0.16.04.1~esm2USN-5455-1

Fixed in:1.2-4ubuntu0.18.04.1~esm4USN-7199-1

Fixed in:1.2-4ubuntu0.18.04.1~esm1USN-5455-1

Fixed in:1.2-4ubuntu0.20.04.1~esm4USN-7199-1

Fixed in:1.2-4ubuntu0.20.04.1~esm1USN-5455-1

Fixed in:1.2-4ubuntu0.22.04.1~esm1USN-5455-1

Fixed in:1.2-4ubuntu0.22.04.1~esm4USN-7199-1

Fixed in:1.2-4.1ubuntu2.24.0.4.1+esm2USN-7199-1

libxmltok1Ubuntu

Fixed in:1.2-3ubuntu0.16.04.1~esm2USN-5455-1

Fixed in:1.2-4ubuntu0.18.04.1~esm4USN-7199-1

Fixed in:1.2-4ubuntu0.18.04.1~esm1USN-5455-1

Fixed in:1.2-4ubuntu0.20.04.1~esm1USN-5455-1

Fixed in:1.2-4ubuntu0.20.04.1~esm4USN-7199-1

Fixed in:1.2-4ubuntu0.22.04.1~esm4USN-7199-1

Fixed in:1.2-4ubuntu0.22.04.1~esm1USN-5455-1

libxmltok1t64Ubuntu

Fixed in:1.2-4.1ubuntu2.24.0.4.1+esm2USN-7199-1

oxide-qtUbuntu

Fixed in:1.8.4-0ubuntu0.14.04.2USN-2677-1

vnc4Ubuntu

Fixed in:4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1USN-4772-1

Fixed in:4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1USN-4772-1

vnc4serverUbuntu

Fixed in:4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1USN-4772-1

Fixed in:4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1USN-4772-1

xvnc4viewerUbuntu

Fixed in:4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1USN-4772-1

Fixed in:4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1USN-4772-1

Python 2Windows application

Affected:2.7.0 2.7.12Fixed in:2.7.12Python Software Foundation

Affected:3.5.0 3.5.2Fixed in:3.5.2Python Software Foundation

Affected:3.3.0 3.3.7Fixed in:3.3.7Python Software Foundation

Affected:3.4.0 3.4.5Fixed in:3.4.5Python Software Foundation

Python 3.10Windows application

Affected:2.7.0 2.7.12Fixed in:2.7.12Python Software Foundation

Affected:3.3.0 3.3.7Fixed in:3.3.7Python Software Foundation

Affected:3.4.0 3.4.5Fixed in:3.4.5Python Software Foundation

Affected:3.5.0 3.5.2Fixed in:3.5.2Python Software Foundation

Python 3.11Windows application

Affected:2.7.0 2.7.12Fixed in:2.7.12Python Software Foundation

Affected:3.4.0 3.4.5Fixed in:3.4.5Python Software Foundation

Affected:3.5.0 3.5.2Fixed in:3.5.2Python Software Foundation

Affected:3.3.0 3.3.7Fixed in:3.3.7Python Software Foundation

Python 3.12Windows application

Affected:3.3.0 3.3.7Fixed in:3.3.7Python Software Foundation

Affected:3.4.0 3.4.5Fixed in:3.4.5Python Software Foundation

Affected:3.5.0 3.5.2Fixed in:3.5.2Python Software Foundation

Affected:2.7.0 2.7.12Fixed in:2.7.12Python Software Foundation

Python 3.8Windows application

Affected:3.4.0 3.4.5Fixed in:3.4.5Python Software Foundation

Affected:2.7.0 2.7.12Fixed in:2.7.12Python Software Foundation

Affected:3.5.0 3.5.2Fixed in:3.5.2Python Software Foundation

Affected:3.3.0 3.3.7Fixed in:3.3.7Python Software Foundation

Python 3.9Windows application

Affected:2.7.0 2.7.12Fixed in:2.7.12Python Software Foundation

Affected:3.4.0 3.4.5Fixed in:3.4.5Python Software Foundation

Affected:3.5.0 3.5.2Fixed in:3.5.2Python Software Foundation

Affected:3.3.0 3.3.7Fixed in:3.3.7Python Software Foundation

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

19.07%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.