CVE-2014-4501: Multiple stack-based buffer overflows in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 3.3.0

Q: How do I fix CVE-2014-4501?

sgminer: upgrade to newer than 4.2.1; cgminer: upgrade to newer than 4.3.4; bfgminer: upgrade to newer than 3.2.9. Exact commands for each OS are on this page.

Q: Is CVE-2014-4501 being exploited?

CVE-2014-4501 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-4501 affect?

CVE-2014-4501 affects sgminer, cgminer, bfgminer. Severity is high (CVSS 10.0). Multiple stack-based buffer overflows in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 3.3.0 allow remote pool servers to have unspecified impact via a long URL in a client.reconnect stratum message to the (1) extract_sock

Q: How urgent is CVE-2014-4501?

Priority 62/100. Critical severity; Public exploit reference

This week

HIGH 10.0UPGRADEUPGRADEUPGRADE

CVE-2014-4501 is a high-severity flaw (CVSS 10.0) affecting sgminer, cgminer, bfgminer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple stack-based buffer overflows in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 3.3.0 allow remote pool servers to have unspecified impact via a long URL in a client.reconnect stratum message to the (1) extract_sockaddr or (2) parse_reconnect functions in util.c.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-119
Published	2014-07-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bfgminer · cgminer project · sgminer project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-07-23 14:55 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

sgminer project sgminer UPGRADE

Affected: <= 4.2.1 · 4.0.0 · 4.1.0 · 4.1.153 · 4.1.242 · 4.1.271 · 4.2.0

Fixed in: newer than 4.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sgminer || rpm -q sgminer || sgminer --version

2. UPGRADE to newer than 4.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sgminer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sgminer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

cgminer project cgminer UPGRADE

Affected: <= 4.3.4 · 4.3.0 · 4.3.1 · 4.3.2 · 4.3.3

Fixed in: newer than 4.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cgminer || rpm -q cgminer || cgminer --version

2. UPGRADE to newer than 4.3.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cgminer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cgminer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

bfgminer bfgminer UPGRADE

Affected: <= 3.2.9 · 3.2.0 · 3.2.1 · 3.2.2 · 3.2.3 · 3.2.4 · 3.2.5 · 3.2.6

Fixed in: newer than 3.2.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bfgminer || rpm -q bfgminer || bfgminer --version

2. UPGRADE to newer than 3.2.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bfgminer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bfgminer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-4501?

sgminer: upgrade to newer than 4.2.1; cgminer: upgrade to newer than 4.3.4; bfgminer: upgrade to newer than 3.2.9. Exact commands for each OS are on this page.

Is CVE-2014-4501 being exploited?

CVE-2014-4501 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-4501 affect?

CVE-2014-4501 affects sgminer, cgminer, bfgminer. Severity is high (CVSS 10.0). Multiple stack-based buffer overflows in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 3.3.0 allow remote pool servers to have unspecified impact via a long URL in a client.reconnect stratum message to the (1) extract_sock

How urgent is CVE-2014-4501?

Priority 62/100. Critical severity; Public exploit reference

Related CVEs

CVE-2014-4503 MEDIUM 4.3 UPGRADE DOWNGRADE The parse_notify function in util.c in sgminer before 4.2.2 and cgminer 3.3.0 through 4.0.1 allows man-in-the-
CVE-2014-4502 HIGH 10.0 UPGRADE UPGRADE Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.

References

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