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No exploitation reportedFix available

CVE-2018-6612

No exploitation reported by the sources we read.

  • Published2018-02-04
  • WeaknessCWE-125 · CWE-191

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.

Timeline

dates in UTC
  1. 2018-02-0415:29CVE publishedNVD

Versions per branch

NVD
Jhead project jhead
BranchAffectedFixed in
3.0= 3.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • jheadUbuntu:Pro:16.04:LTSall versions · fixed in 1:3.00-4+deb9u1ubuntu0.1~esm4
  • jheadUbuntu:Pro:14.04:LTSall versions · fixed in 1:2.97-1+deb8u2ubuntu0.1~esm4
  • jheadSUSE:Package Hub 15 SP2all versions · fixed in 3.06.0.1-bp152.4.6.1
  • jheadopenSUSE:Tumbleweedall versions · fixed in 3.06.0.1-1.3
  • jheadopenSUSE:Leap 15.2all versions · fixed in 3.06.0.1-lp152.7.6.1
  • jheadMageia:6all versions · fixed in 3.00-3.1.mga6
  • jheadDebian:14all versions · fixed in 1:3.00-6
  • jheadDebian:13all versions · fixed in 1:3.00-6

1 more package range on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2018-02-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-73qf-rvc2-8ggj

Frequently asked questions

What is CVE-2018-6612?

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.

Is CVE-2018-6612 actively exploited?

Active exploitation of CVE-2018-6612 has not been confirmed. Its EPSS score was 1.1% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-6612?

CVE-2018-6612 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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