Description
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://usn.ubuntu.com/3728-3/ ↗
- https://www.debian.org/security/2018/dsa-4260 ↗
- https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html ↗
- https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a ↗
- https://bugs.debian.org/904802 ↗
- http://www.openwall.com/lists/oss-security/2018/07/26/1 ↗
- https://access.redhat.com/errata/RHSA-2018:3505 ↗
- https://usn.ubuntu.com/3789-2/ ↗
- https://usn.ubuntu.com/3728-2/ ↗
- http://www.securitytracker.com/id/1041410 ↗
- https://usn.ubuntu.com/3728-1/ ↗
- https://access.redhat.com/errata/RHSA-2018:3327 ↗
- https://security.gentoo.org/glsa/201903-20 ↗