| Name | CVE-2017-7948 |
| Description | Integer overflow in the mark_curve function in Artifex Ghostscript 9.21 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via a crafted PostScript document. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ghostscript (PTS) | jessie, jessie (lts) | 9.26a~dfsg-0+deb8u13 | fixed |
| stretch (security) | 9.26a~dfsg-0+deb9u9 | fixed |
| stretch (lts), stretch | 9.26a~dfsg-0+deb9u13 | fixed |
| buster, buster (lts) | 9.27~dfsg-2+deb10u10 | fixed |
| buster (security) | 9.27~dfsg-2+deb10u9 | fixed |
| bullseye | 9.53.3~dfsg-7+deb11u7 | fixed |
| bullseye (security) | 9.53.3~dfsg-7+deb11u9 | fixed |
| bookworm | 10.0.0~dfsg-11+deb12u5 | fixed |
| bookworm (security) | 10.0.0~dfsg-11+deb12u6 | fixed |
| sid, trixie | 10.04.0~dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ghostscript | source | wheezy | (not affected) | | | |
| ghostscript | source | jessie | (not affected) | | | |
| ghostscript | source | (unstable) | 9.22~dfsg-1 | unimportant | | |
Notes
[jessie] - ghostscript <not-affected> (Vulnerable code not present)
[wheezy] - ghostscript <not-affected> (Vulnerable code not present)
https://bugs.ghostscript.com/show_bug.cgi?id=697762
Fixed by: https://git.ghostscript.com/?p=ghostpdl.git;h=8210a2864372723b49c526e2b102fdc00c9c4699
edgebuffer scan converter was made default only in: https://git.ghostscript.com/?p=ghostpdl.git;h=dd5da2cb3e08398ac6d86598b36b00994d058308
But the vulnerable code via base/gxscan.c, a new scan converter introduced in 9.20 is present.