| Name | CVE-2021-45931 |
| Description | HarfBuzz 2.9.0 has an out-of-bounds write in hb_bit_set_invertible_t::set (called from hb_sparseset_t<hb_bit_set_invertible_t>::set and hb_set_copy). |
| 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 |
|---|
| harfbuzz (PTS) | jessie, jessie (lts) | 0.9.35-2+deb8u1 | fixed |
| stretch | 1.4.2-1 | fixed |
| buster | 2.3.1-1 | fixed |
| bullseye | 2.7.4-1 | fixed |
| bookworm | 6.0.0+dfsg-3 | fixed |
| sid, trixie | 10.1.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| harfbuzz | source | (unstable) | (not affected) | | | |
Notes
- harfbuzz <not-affected> (Vulnerable code introduced later)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=37425
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2021-1159.yaml
https://github.com/harfbuzz/harfbuzz/commit/d3e09bf4654fe5478b6dbf2b26ebab6271317d81 (2.9.1)
introduced in https://github.com/harfbuzz/harfbuzz/commit/f0c3804fa292ef3be41cc8d1cdea8239f00e2295 (2.9.1)
vulnerable code not present in 2.9.0 git tag, error in CVE description