| Name | CVE-2011-2939 |
| Description | Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow. |
| 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 | 637376 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libencode-perl (PTS) | jessie | 2.63-1+deb8u1 | fixed |
| stretch | 2.88-1 | fixed | |
| buster | 3.00-1+deb10u1 | fixed | |
| bullseye | 3.08-1+deb11u2 | fixed | |
| bullseye (security) | 3.08-1+deb11u1 | fixed | |
| bookworm | 3.19-1 | fixed | |
| sid, trixie | 3.21-1 | fixed | |
| 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 |
|---|---|---|---|---|---|---|
| libencode-perl | source | (unstable) | 2.44-1 | low | ||
| perl | source | squeeze | 5.10.1-17squeeze3 | |||
| perl | source | (unstable) | 5.12.4-4 | low | 637376 |
[lenny] - perl <no-dsa> (Minor issue)