| Name | CVE-2013-6393 |
| Description | The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, 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) |
| References | DSA-2850-1, DSA-2870-1 |
| Debian Bugs | 737076 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libyaml (PTS) | buster | 0.2.1-1 | fixed |
| bullseye | 0.2.2-1 | fixed | |
| sid, trixie, bookworm | 0.2.5-1 | fixed | |
| libyaml-libyaml-perl (PTS) | buster | 0.76+repack-1 | fixed |
| bullseye | 0.82+repack-1 | fixed | |
| bookworm | 0.86+ds-1 | fixed | |
| sid, trixie | 0.89+ds-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libyaml | source | squeeze | 0.1.3-1+deb6u2 | DSA-2850-1 | ||
| libyaml | source | wheezy | 0.1.4-2+deb7u2 | DSA-2850-1 | ||
| libyaml | source | (unstable) | 0.1.4-3 | 737076 | ||
| libyaml-libyaml-perl | source | squeeze | 0.33-1+squeeze2 | DSA-2870-1 | ||
| libyaml-libyaml-perl | source | wheezy | 0.38-3+deb7u1 | DSA-2870-1 | ||
| libyaml-libyaml-perl | source | (unstable) | 0.41-4 |