CVE-2021-27815
Medium
Description
NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Exif
PublishedApr 14, 2021
First seenApr 14, 2021
How to fix
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSWAXZVNXYLV3E4R6YQTEGRGMGWEAR76/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZQ3L45F7S7PQPG5HEHXOCGNOO64MJOS/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMC6OTXZRPCUD3LOSWO4ISR7CH7NJQDT/
- security.gentoo.org/glsa/202210-28
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libexif_project exif | v ≤ 0.6.22 | — |
| fedoraproject fedora | 32, 33, 34 | — |
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