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CVE-2015-1031

20
FAUCET Score

CVE-2015-1031 describes multiple use-after-free vulnerabilities in Privoxy before version 3.0.22, specifically affecting the unmap function in list.c and other unconfirmed instances. This vulnerability carries a CVSS score of 7.5, indicating high severity, and allows remote attackers to achieve partial confidentiality, integrity, and availability impacts with low attack complexity and no authentication required. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.21CPE matchmatch criteria
cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.41%
Probability of exploitation in next 30 days
EPSS Percentile
82.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0241 is in the 69th percentile among its peer group of 51,553 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 Patches (2)

debianvendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: privoxy

Vendor Advisories (1)

redhatCVE-2015-1031Moderate

privoxy: several use-after-free issues in list.c

Nov 28, 2014

References

secunia.com / advisories/62123
debian.org / security/2015/dsa-3133
Vendor Advisory
openwall.com / lists/oss-security/2015/01/11/1
privoxy.org / announce.txt
PatchVendor Advisory