| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-1399-1, DSA-1570-1, DTSA-77-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| glib2.0 (PTS) | bullseye | 2.66.8-1+deb11u4 | fixed |
| bullseye (security) | 2.66.8-1+deb11u6 | fixed | |
| bookworm | 2.74.6-2+deb12u6 | fixed | |
| bookworm (security) | 2.74.6-2+deb12u2 | fixed | |
| trixie, sid | 2.84.3-1 | fixed | |
| pcre3 (PTS) | bullseye | 2:8.39-13 | fixed |
| bookworm | 2:8.39-15 | 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 | etch | 0.4.2-1etch1 | DSA-1570-1 | ||
| kazehakase | source | (unstable) | 0.5.2-1 | |||
| pcre3 | source | sarge | 4.5+7.4-1 | DSA-1399-1 | ||
| pcre3 | source | etch | 6.7+7.4-2 | DSA-1399-1 | ||
| pcre3 | source | lenny | 6.7+7.4-2+lenny1 | DTSA-77-1 | ||
| pcre3 | source | (unstable) | 7.3-1 |
glib only embeds pcre in the udeb, no attack vector