CVE-2026-57488: pupnp is an SDK for development of UPnP device and control point applications

Q: How do I fix CVE-2026-57488?

pupnp: upgrade to 2.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-57488 being exploited?

CVE-2026-57488 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-2026-57488 affect?

CVE-2026-57488 affects pupnp. Severity is high (CVSS 7.1). pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, raw_to_int in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the cal

Q: How urgent is CVE-2026-57488?

Priority 36/100. High severity; Public exploit reference

Routine

HIGH 7.1UPGRADE

CVE-2026-57488 is a high-severity flaw (CVSS 7.1) affecting pupnp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, raw_to_int in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the caller stores it as unsigned int. On LP64 systems, values greater than INT_MAX can truncate or wrap, so the HTTP parser can accept a body length different from the declared value. A remote adjacent-network peer ca

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-190, CWE-444
Published	2026-10-16
Last modified	2026-10-20

Publisher (CNA): GitHub, Inc. · Vendor: pupnp project

Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-16 16:18 UTCPublished CVE record published
2026-10-20 19:37 UTCUpdated Record last modified

pupnp project pupnp UPGRADE

Affected: < 2.0.2

Fixed in: 2.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.0.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pupnp

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-2026-57488?

pupnp: upgrade to 2.0.2. Exact commands for each OS are on this page.

Is CVE-2026-57488 being exploited?

CVE-2026-57488 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-2026-57488 affect?

CVE-2026-57488 affects pupnp. Severity is high (CVSS 7.1). pupnp is an SDK for development of UPnP device and control point applications. Prior to 2.0.2, raw_to_int in upnp/src/genlib/net/http/httpparser.c parses Content-Length with strtol and casts the resulting long to a 32-bit int before the cal

How urgent is CVE-2026-57488?

Priority 36/100. High severity; Public exploit reference

Related CVEs

CVE-2026-55862 MEDIUM 6.5 UPGRADE pupnp is an SDK for development of UPnP device and control point applications
CVE-2026-57486 HIGH 7.5 UPGRADE pupnp is an SDK for development of UPnP device and control point applications
CVE-2026-57487 HIGH 7.5 UPGRADE pupnp is an SDK for development of UPnP device and control point applications
CVE-2026-77630 HIGH 7.5 UPGRADE pupnp is an SDK for development of UPnP device and control point applications

References

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