Invalid GIF header

Classification

Validator

Validator version

Error message type

JHOVE

1.32.1

File format

Version

Specification

Description

Location

image/gif

GIF image data 10 x 6

corpus

image/gif

GIF image data 10 x 6

corpus

Analyses

Possible solutions

Output example

Validator returned error.
<?xml version="1.0" encoding="UTF-8"?>
<jhove xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schema.openpreservation.org/ois/xml/ns/jhove" xsi:schemaLocation="http://schema.openpreservation.org/ois/xml/ns/jhove https://schema.openpreservation.org/ois/xml/xsd/jhove/1.9/jhove.xsd" name="Jhove" release="1.32.1" date="2025-02-06">
 <date>2025-10-29T17:25:12+02:00</date>
 <repInfo uri="/corpus/file-scraper/tests/data/image_gif/invalid_1987a_broken_header.gif">
  <reportingModule release="1.4.3" date="2022-04-22">GIF-hul</reportingModule>
  <lastModified>2025-10-28T08:43:04+02:00</lastModified>
  <size>274</size>
  <format>GIF</format>
  <status>Not well-formed</status>
  <messages>
   <message offset="0" severity="error" id="GIF-HUL-4" infoLink="https://github.com/openpreserve/jhove/wiki/GIF-hul-Messages#gif-hul-4">Invalid GIF header</message>
  </messages>
  <mimeType>image/gif</mimeType>
 </repInfo>
</jhove>

Notes on the error