CVEvulnerability
CVE-2020-27771
3.3 LOW
Official page ↗
- Status
- Modified
- Published
- 2020-12-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-190
Description
In RestoreMSCWarning() of /coders/pdf.c there are several areas where calls to GetPixelIndex() could result in values outside the range of representable for the unsigned char type. The patch casts the return value of GetPixelIndex() to ssize_t type to avoid this bug. This undefined behavior could be triggered when ImageMagick processes a crafted pdf file. Red Hat Product Security marked this as Low severity because although it could potentially lead to an impact to application availability, no specific impact was demonstrated in this case. This flaw affects ImageMagick versions prior to 7.0.9-0.
Affected configurations
• imagemagick imagemagick (< 6.9.10-69)
• imagemagick imagemagick (>= 7.0.0-0 < 7.0.9)
• redhat enterprise linux 5.0
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1898290 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html lists.debian.org
- https://bugzilla.redhat.com/show_bug.cgi?id=1898290 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html lists.debian.org