CVE-2019-9638
HIGHCVSS 7.5/10EPSS 6.68%
Last modified
CVE-2019-9638 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the maker_note->offset relationship to value_len.. EPSS estimates a 6.68% chance of exploitation in the next 30 days.
Description
An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the maker_note->offset relationship to value_len.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | < 7.1.27 |
| Php | Php | >= 7.2.0, < 7.2.16 |
| Php | Php | >= 7.3.0, < 7.3.3 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 18.10 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 42.3 |
| Netapp | Storage Automation Store | All versions |
| Redhat | Software Collections | 1.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2519Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3299Third Party Advisory
- https://bugs.php.net/bug.php?id=77563Exploit, Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00043.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190502-0007/Patch, Third Party Advisory
- https://usn.ubuntu.com/3922-1/Third Party Advisory
- https://usn.ubuntu.com/3922-2/Third Party Advisory
- https://usn.ubuntu.com/3922-3/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4403Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2519Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3299Third Party Advisory
- https://bugs.php.net/bug.php?id=77563Exploit, Issue Tracking, Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00043.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190502-0007/Patch, Third Party Advisory
- https://usn.ubuntu.com/3922-1/Third Party Advisory
- https://usn.ubuntu.com/3922-2/Third Party Advisory
- https://usn.ubuntu.com/3922-3/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4403Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-9638?
An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the maker_note->offset relationship to value_len.
How severe is CVE-2019-9638?
CVE-2019-9638 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 6.68% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9638?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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