| Name | CVE-2011-1956 |
| Description | The bytes_repr_len function in Wireshark 1.4.5 uses an incorrect pointer argument, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via arbitrary TCP traffic. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| wireshark (PTS) | jessie, jessie (lts) | 1.12.1+g01b65bf-4+deb8u19 | fixed |
| stretch (security) | 2.6.20-0+deb9u3 | fixed |
| stretch (lts), stretch | 2.6.20-0+deb9u7 | fixed |
| buster | 2.6.20-0+deb10u4 | fixed |
| buster (security) | 2.6.20-0+deb10u8 | fixed |
| bullseye (security), bullseye | 3.4.10-0+deb11u1 | fixed |
| bookworm (security), bookworm | 4.0.11-1~deb12u1 | fixed |
| sid, trixie | 4.2.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| wireshark | source | lenny | (not affected) | | | |
| wireshark | source | squeeze | (not affected) | | | |
| wireshark | source | (unstable) | 1.4.6-1 | unimportant | | |
Notes
[lenny] - wireshark <not-affected> (Affects 1.4.5 only)
[squeeze] - wireshark <not-affected> (Affects 1.4.5 only)
Crashes w/o code injection not treated as security issues, see README.Security