CVE-2017-7890
N/A
Published: August 2, 2017 at 07:00 PM UTC
Updated: June 17, 2026 at 01:25 AM UTC
1 product affected across 1 vendorPHP
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Severity
N/A
Exploit prediction
EPSS 3%
Description
The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.31 and 7.x before 7.1.7, does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read ~700 bytes from the top of the stack, potentially disclosing sensitive information.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (10)
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
http://php.net/ChangeLog-5.phpx_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
http://php.net/ChangeLog-7.phpVendor Advisoryx_refsource_DEBIAN
Source: [email protected]
http://www.debian.org/security/2017/dsa-3938VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/99492Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:0406Vendor Advisoryx_refsource_REDHAT
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:1296x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://bugs.php.net/bug.php?id=74435x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
Source: [email protected]
https://bugs.php.net/patch-display.php?bug=74435&patch=fix-74435-php-7.0&revision=1497970038Quick Info
StatusMODIFIED
CWE
CWE-200
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