| Name | CVE-2007-1661 |
| Description | Perl-Compatible Regular Expression (PCRE) library before 7.3 backtracks too far when matching certain input bytes against some regex patterns in non-UTF-8 mode, which allows context-dependent attackers to obtain sensitive information or cause a denial of service (crash), as demonstrated by the "\X?\d" and "\P{L}?\d" patterns. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-1399-1, DSA-1570-1, DTSA-77-1 |
| NVD severity | medium (attack range: remote) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glib2.0 (PTS) | jessie | 2.42.1-1 | fixed |
| jessie (security) | 2.42.1-1+deb8u3 | fixed | |
| stretch | 2.50.3-2 | fixed | |
| buster | 2.58.3-2 | fixed | |
| bullseye, sid | 2.60.6-2 | fixed | |
| pcre3 (PTS) | jessie | 2:8.35-3.3+deb8u4 | fixed |
| stretch | 2:8.39-3 | fixed | |
| bullseye, sid, buster | 2:8.39-12 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| glib2.0 | source | (unstable) | 2.14.3-1 | unimportant | ||
| kazehakase | source | (unstable) | 0.5.2-1 | medium | ||
| kazehakase | source | etch | 0.4.2-1etch1 | medium | DSA-1570-1 | |
| pcre3 | source | (unstable) | 7.3-1 | medium | ||
| pcre3 | source | etch | 6.7+7.4-2 | medium | DSA-1399-1 | |
| pcre3 | source | lenny | 6.7+7.4-2+lenny1 | medium | DTSA-77-1 | |
| pcre3 | source | sarge | 4.5+7.4-1 | medium | DSA-1399-1 |
glib only embeds pcre in the udeb, no attack vector