Is CVE-2026-47729 in the CISA KEV catalog?

No. CVE-2026-47729 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-47729?

CVE-2026-47729 has a CVSS v3 base score of 6.5 (Moderate).

What is the EPSS score for CVE-2026-47729?

CVE-2026-47729 has an EPSS score of 1.95% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-47729?

Upgrade squid on debian 13 to 6.13-2+deb13u2 or later.

CVE & CISA-KEV Catalog

CVE-2026-47729

MEDIUMEPSS 78th pctl

6.5

CVSS v3

NVD

Description

Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP gateway (src/clients/FtpGateway.cc), Squid is vulnerable to an out-of-bounds read: when a listing entry date in the TypeA or TypeB directory-listing formats is not followed by a filename, parsing was not restricted to the input buffer, so a trusted client accessing a misbehaving FTP server through Squid's gateway feature could read memory from random unrelated transactions. This issue is fixed in version 7.6.

CWE-125Out-of-bounds Read CWE-1289

How to fix

Remediation Available

squidDebian

Fixed in:6.13-2+deb13u2CVE-2026-47729

Fixed in:7.6-1CVE-2026-47729

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 v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.95%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch3

Vendor Advisory1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix
CVE-2023-49285	High	8.6	89%	-	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 2026-07-20.