Double Free Affecting gd package, versions <2.2.5-r4


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.24% (65th percentile)

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  • Snyk ID SNYK-ALPINE311-GD-1583729
  • published 9 Sep 2021
  • disclosed 26 Aug 2021

How to fix?

Upgrade Alpine:3.11 gd to version 2.2.5-r4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gd package and not the gd package as distributed by Alpine. See How to fix? for Alpine:3.11 relevant fixed versions and status.

gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High