CVE-2015-4675: Buffer overflow in the Tiny SRP library (aka TinySRP) allows remote attackers to cause a denial of service (cr

Q: How do I fix CVE-2015-4675?

tinysrp: upgrade to newer than 0.7.5. Exact commands for each OS are on this page.

Q: Is CVE-2015-4675 being exploited?

CVE-2015-4675 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-2015-4675 affect?

CVE-2015-4675 affects tinysrp. Severity is high (CVSS 7.5). Buffer overflow in the Tiny SRP library (aka TinySRP) allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted size value for the username field.

Q: How urgent is CVE-2015-4675?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2015-4675 is a high-severity flaw (CVSS 7.5) affecting tinysrp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in the Tiny SRP library (aka TinySRP) allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted size value for the username field.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.6% (top 8%)
CISA exploited list	No
Weakness	CWE-119
Published	2015-06-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tinysrp project

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

Am I affected?

Timeline

2015-06-19 14:59 UTCPublished CVE record published
2026-06-17 00:27 UTCUpdated Record last modified

tinysrp project tinysrp UPGRADE

Affected: <= 0.7.5

Fixed in: newer than 0.7.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.7.5 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tinysrp

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-2015-4675?

tinysrp: upgrade to newer than 0.7.5. Exact commands for each OS are on this page.

Is CVE-2015-4675 being exploited?

CVE-2015-4675 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-2015-4675 affect?

CVE-2015-4675 affects tinysrp. Severity is high (CVSS 7.5). Buffer overflow in the Tiny SRP library (aka TinySRP) allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted size value for the username field.

How urgent is CVE-2015-4675?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

References

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