| Name | CVE-2015-7941 |
| Description | libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-266-1, DSA-3430-1 |
| Debian Bugs | 783010 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxml2 (PTS) | jessie, jessie (lts) | 2.9.1+dfsg1-5+deb8u17 | fixed |
| stretch (security) | 2.9.4+dfsg1-2.2+deb9u7 | fixed | |
| stretch (lts), stretch | 2.9.4+dfsg1-2.2+deb9u11 | fixed | |
| buster, buster (lts) | 2.9.4+dfsg1-7+deb10u9 | fixed | |
| buster (security) | 2.9.4+dfsg1-7+deb10u6 | fixed | |
| bullseye | 2.9.10+dfsg-6.7+deb11u4 | fixed | |
| bullseye (security) | 2.9.10+dfsg-6.7+deb11u5 | fixed | |
| bookworm | 2.9.14+dfsg-1.3~deb12u1 | fixed | |
| sid, trixie | 2.12.7+dfsg+really2.9.14-0.2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxml2 | source | squeeze | 2.7.8.dfsg-2+squeeze12 | DLA-266-1 | ||
| libxml2 | source | wheezy | 2.8.0+dfsg1-7+wheezy5 | DSA-3430-1 | ||
| libxml2 | source | jessie | 2.9.1+dfsg1-5+deb8u1 | DSA-3430-1 | ||
| libxml2 | source | (unstable) | 2.9.2+really2.9.1+dfsg1-0.1 | 783010 |
https://bugzilla.gnome.org/show_bug.cgi?id=744980
https://www.openwall.com/lists/oss-security/2015/04/19/5
https://www.openwall.com/lists/oss-security/2015/10/22/5
https://gitlab.gnome.org/GNOME/libxml2/-/commit/a7dfab7411cbf545f359dd3157e5df1eb0e7ce31 (v2.9.3)
https://gitlab.gnome.org/GNOME/libxml2/-/commit/9b8512337d14c8ddf662fcb98b0135f225a1c489 (v2.9.3)