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CVE-2015-5259

51
FAUCET Score

CVE-2015-5259 describes an integer overflow vulnerability in the read_string function within Apache Subversion versions 1.9.x prior to 1.9.3. This flaw allows remote attackers to execute arbitrary code by sending a specially crafted svn:// protocol string, leading to a heap-based buffer overflow and an out-of-bounds read. The vulnerability carries a high severity CVSS score of 8.6, indicating it can be exploited over the network with low complexity and no user interaction, potentially leading to partial confidentiality, integrity, and high availability impact. Despite its high severity and FAUCET Risk Score, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.9.0CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.9.0:*:*:*:*:*:*:*
1.9.1CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.9.1:*:*:*:*:*:*:*
1.9.2CPE matchmatch criteria
cpe:2.3:a:apache:subversion:1.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
57.04%
Probability of exploitation in next 30 days
EPSS Percentile
99.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.5704 is in the 98th percentile among its peer group of 51,455 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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2015-5259Important

subversion: integer overflow in the svn:// protocol parser

Dec 15, 2015

References

security.gentoo.org / glsa/201610-05
subversion.apache.org / security/CVE-2015-5259-advisory.txt
Vendor Advisory
securityfocus.com / bid/82300
securitytracker.com / id/1034469