| Name | CVE-2010-4777 |
| Description | The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash. |
| 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 | 628836 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| perl (PTS) | jessie, jessie (lts) | 5.20.2-3+deb8u14 | fixed |
| stretch (security) | 5.24.1-3+deb9u5 | fixed | |
| stretch (lts), stretch | 5.24.1-3+deb9u8 | fixed | |
| buster, buster (lts) | 5.28.1-6+deb10u2 | fixed | |
| bullseye | 5.32.1-4+deb11u3 | fixed | |
| bullseye (security) | 5.32.1-4+deb11u4 | fixed | |
| bookworm | 5.36.0-7+deb12u1 | fixed | |
| sid, trixie | 5.40.0-7 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| perl | source | (unstable) | 5.20.1-1 | unimportant | 628836 |
Only affects Perl builds with enabled assertions, i.e. the debugperl binary from perl-debug
likely fixed sometime around 5.18, but 5.20 was the version checked