CVE-2017-11403 — The ReadMNGImage function in coders/png
The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has an out-of-order CloseBlob call, resulting in a use-after-free via a crafted file.
Published
2017-07-18T00:29:00.183
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
01What is this vulnerability?
The ReadMNGImage function in coders/png.c in GraphicsMagick 1.3.26 has an out-of-order CloseBlob call, resulting in a use-after-free via a crafted file.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-07-18T00:29:00.183
- Last modified: 2026-05-13T00:24:29.033
09References
- hg.code.sf.net — http://hg.code.sf.net/p/graphicsmagick/code/rev/d0a76868ca37
- blogs.gentoo.org — https://blogs.gentoo.org/ago/2017/07/12/graphicsmagick-use-after-free-in-closebl…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
- usn.ubuntu.com — https://usn.ubuntu.com/4206-1/
- www.debian.org — https://www.debian.org/security/2018/dsa-4321
- hg.code.sf.net — http://hg.code.sf.net/p/graphicsmagick/code/rev/d0a76868ca37
- blogs.gentoo.org — https://blogs.gentoo.org/ago/2017/07/12/graphicsmagick-use-after-free-in-closebl…
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html
- usn.ubuntu.com — https://usn.ubuntu.com/4206-1/
- www.debian.org — https://www.debian.org/security/2018/dsa-4321
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