Security readout for executives and security teams
CVE-2013-7456 is an old image-processing flaw in GD/libgd as used by PHP. A specially crafted image could make affected systems crash while resizing images, causing service disruption. The sources also mention possible unspecified impact, but do not define it. Exposure is most likely in legacy PHP applications or services that process user-supplied images using GD imagescale, including upload, thumbnailing, or media-resizing workflows. Modern maintained PHP/libgd deployments are less likely affected. Prioritize remediation for legacy PHP systems that accept image uploads or resize remote content. Treat this mainly as an availability risk unless vendor-specific evidence shows broader impact. Mitigation focus: Upgrade libgd to 2.1.1 or later where directly managed.; Upgrade PHP to 5.5.36, 5.6.22, 7.0.7, or later supported releases.; Apply distribution vendor updates referenced by Debian, Ubuntu, Red Hat, or HPE as applicable..
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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CVE-2013-7456 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.php.net/bug.php?id=72227CVE reference · x_refsource_CONFIRM
- https://github.com/php/php-src/commit/7a1aac3343af85b4af4df5f8844946eaa27394ab?w=1CVE reference · x_refsource_CONFIRM
- https://github.com/libgd/libgd/commit/4f65a3e4eedaffa1efcf9ee1eb08f0b504fbc31aCVE reference · x_refsource_CONFIRM
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731CVE reference · x_refsource_CONFIRM
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.
