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    CVE-2016-8670

    Integer signedness error in the dynamicGetbuf function in gd_io_dp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP before 5.6.28 and 7.x before 7.0.13, allows remote attackers to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a crafted imagecreatefromstring call.

    Published:Oct 10, 2016
    Last Modified:Apr 12, 2025
    EPS:Jan 4, 2017
    EPSS Score:0.01705
    CVSS Score:9.8

    Affected Products

    Vendor
    Libgd
    Product
    Libgd
    Vendor
    Php
    Product
    Php

    Exploits

    No exploit reference

    Related CVEs

    CVE-2021-40812 (CVSS 6.5) — The GD Graphics Library (aka LibGD) through 2.3.2 has an out-of-bounds read because of the lack of certain gdG…
    CVE-2021-40145 (CVSS 7.5) — gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the ve…
    CVE-2021-38115 (CVSS 6.5) — read_header_tga in gd_tga.c in the GD Graphics Library (aka LibGD) through 2.3.2 allows remote attackers to ca…
    CVE-2017-6363 (CVSS 8.1) — In the GD Graphics Library (aka LibGD) through 2.2.5, there is a heap-based buffer over-read in tiffWriter in …
    CVE-2018-14553 (CVSS 7.5) — gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to cra…
    CVE-2019-11038 (CVSS 5.3) — When using the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD) 2.2.5, as used in the PH…
    CVE-2019-6978 (CVSS 9.8) — The GD Graphics Library (aka LibGD) 2.2.5 has a double free in the gdImage*Ptr() functions in gd_gif_out.c, gd…
    CVE-2019-6977 (CVSS 8.8) — gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolorm…
    CVE-2018-1000222 (CVSS 8.8) — Libgd version 2.2.5 contains a Double Free Vulnerability vulnerability in gdImageBmpPtr Function that can resu…
    CVE-2017-6362 (CVSS 7.5) — Double free vulnerability in the gdImagePngPtr function in libgd2 before 2.2.5 allows remote attackers to caus…

    References

    http://www.debian.org/security/2016/dsa-3693
    http://www.openwall.com/lists/oss-security/2016/10/15/1
    http://www.php.net/ChangeLog-5.php
    http://www.php.net/ChangeLog-7.php
    http://www.securityfocus.com/bid/93594
    https://bugs.php.net/bug.php?id=73280
    https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9
    https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS
    http://www.debian.org/security/2016/dsa-3693
    http://www.openwall.com/lists/oss-security/2016/10/15/1
    http://www.php.net/ChangeLog-5.php
    http://www.php.net/ChangeLog-7.php
    http://www.securityfocus.com/bid/93594
    https://bugs.php.net/bug.php?id=73280
    https://github.com/libgd/libgd/commit/53110871935244816bbb9d131da0bccff734bfe9
    https://support.f5.com/csp/article/K21336065?utm_source=f5support&amp%3Butm_medium=RSS

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High