| Name | CVE-2017-7246 |
| Description | Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 268) or possibly have unspecified other impact via a crafted file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 858679 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pcre3 (PTS) | bullseye | 2:8.39-13 | vulnerable |
| bookworm | 2:8.39-15 | vulnerable |
| sid | 2:8.39-15.1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pcre3 | source | wheezy | (not affected) | | | |
| pcre3 | source | (unstable) | (unfixed) | unimportant | | 858679 |
Notes
[jessie] - pcre3 <no-dsa> (Minor issue; 32bit character support not enabled)
[wheezy] - pcre3 <not-affected> (Vulnerable code not present)
https://bugs.exim.org/show_bug.cgi?id=2057
https://blogs.gentoo.org/ago/2017/03/20/libpcre-two-stack-based-buffer-overflow-write-in-pcre32_copy_substring-pcre_get-c/
pcre32 support enabled only in pcre3/1:8.35-4
Fixed by: http://vcs.pcre.org/pcre?view=revision&revision=1691 (8.41)