NULL pointer dereference in Imagemagick
CVE-2021-3596
A NULL pointer dereference flaw was found in ImageMagick in versions prior to 7.0.10-31 in ReadSVGImage() in coders/svg.c. This issue is due to not checking the return value from libxml2's xmlCreatePushParserCtxt() and uses the value directly, which leads to a crash and segmentation fault.
EPSS: 0.019 (77.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Imagemagick
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 34
- Redhat Enterprise_linux — versions 5.0, 6.0, 7.0
- N/a Imagemagick — versions ImageMagick 7.0.10-31
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Exploit, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list)
Frequently asked questions
- What is CVE-2021-3596?
- CVE-2021-3596 is a medium-severity vulnerability in Imagemagick, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2022-02-24.
- How severe is CVE-2021-3596?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-3596 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.