Security readout for executives and security teams
This is a PHP image-metadata parsing flaw. A specially crafted file processed by the PHP EXIF extension could make PHP read beyond an allocated memory buffer, potentially exposing small amounts of memory or crashing the process. Exposure is most likely where vulnerable PHP versions have the EXIF extension enabled and process untrusted uploaded images or files. Downstream Linux distributions and vendors published advisories, so packaged PHP deployments should be checked against vendor fixes. Treat this as a targeted maintenance issue, not an emergency. Prioritize internet-facing upload or media-processing applications, especially legacy PHP 7.1, 7.2, or 7.3 deployments. Mitigation focus: Upgrade PHP to 7.1.28, 7.2.17, 7.3.4, or later supported releases.; Apply relevant vendor security updates from your Linux distribution or appliance vendor.; Check vendor advisories for backported package versions that fix the issue..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-125: Exact CWE lookup
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Open ATT&CK lookupCVE-2019-11034 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L2.22.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.8MediumVector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.php.net/bug.php?id=77753CVE reference · x_refsource_MISC
- USN-3953-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-3953-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- https://security.netapp.com/advisory/ntap-20190502-0001/CVE reference · x_refsource_CONFIRM
- https://support.f5.com/csp/article/K44590877CVE reference · x_refsource_CONFIRM
- [debian-lts-announce] 20190525 [SECURITY] [DLA 1803-1] php5 security updateCVE reference · mailing-list, x_refsource_MLIST
- RHSA-2019:2519CVE reference · vendor-advisory, x_refsource_REDHAT
- DSA-4529CVE reference · vendor-advisory, x_refsource_DEBIAN
- 20190923 [SECURITY] [DSA 4529-1] php7.0 security updateCVE reference · mailing-list, x_refsource_BUGTRAQ
- RHSA-2019:3299CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.