Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-16872

31
FAUCET Score

CVE-2017-16872 is a critical vulnerability affecting Teluu pjproject (pjlib and pjlib-util) in PJSIP versions prior to 2.7.1, as well as Debian distributions utilizing PJSIP. It involves an integer overflow when parsing numeric SIP header fields, which can lead to incorrect values or buffer overruns when converting these values back to strings. With a CVSS score of 9.8 (CRITICAL), this vulnerability is remotely exploitable with low attack complexity, potentially resulting in complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7.1CPE matchmatch criteria
cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.40%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0340 is in the 80th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

ubuntupatch availablevia ubuntu_usn
Product: pjproject (bionic)Fixed in: 2.7.2~dfsg-1ubuntu0.1~esm1
ubuntupatch availablevia ubuntu_usn
Product: pjproject (xenial)Fixed in: 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1

Vendor Advisories (1)

ubuntuUSN-8122-1

PJSIP vulnerabilities

Mar 24, 2026

References

trac.pjsip.org / repos/milestone/release-2.7.1
Release NotesVendor Advisory
trac.pjsip.org / repos/ticket/2056
Vendor Advisory
debian.org / security/2018/dsa-4170
Third Party Advisory