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Fencer Vulns
high 7.8

CVE-2018-16554 json

The ProcessGpsInfo function of the gpsinfo.c file of jhead 3.00 may allow a remote attacker to cause a denial-of-service attack or unspecif…

published 2018-09-16 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8361

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

The ProcessGpsInfo function of the gpsinfo.c file of jhead 3.00 may allow a remote attacker to cause a denial-of-service attack or unspecified other impact via a malicious JPEG file, because of inconsistency between float and double in a sprintf format string during TAG_GPS_ALT handling.

Patch / fix

  • jhead Debian 14, Debian 13, Debian 12 1:3.00-8

debian advisories DEBIAN-CVE-2018-16554

  • jhead Ubuntu 18.04 LTS 1:3.00-8~build0.18.04.1
  • jhead Ubuntu Pro 14.04 LTS 1:2.97-1+deb8u2build0.14.04.1~esm1

ubuntu advisories UBUNTU-CVE-2018-16554

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • jhead openSUSE Tumbleweed 3.06.0.1-1.3
  • jhead Package Hub 15 SP2 3.06.0.1-bp152.4.6.1
  • jhead openSUSE Leap 15.2 3.06.0.1-lp152.7.6.1

opensuse advisories openSUSE-SU-2024:10880-1openSUSE-SU-2021:0752-1openSUSE-SU-2021:0743-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-16554 updated cvss 3.3

jhead: buffer overflow in a sprintf format string in TAG_GPS_ALT handling

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • nimo-zhang.github.io https://nimo-zhang.github.io/2018/09/07/bug-analysis-1/#more referenced PoC, tagged "exploit" by a source, unverified
  • bugs.debian.org https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908176 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-134 Use of Externally-Controlled Format String

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.