| Name | CVE-2023-25193 |
| Description | hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1030612 |
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 | vulnerable |
| bullseye | 2.7.4-1 | vulnerable |
| bookworm | 6.0.0+dfsg-3 | vulnerable |
| 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 | jessie | (not affected) | | | |
| harfbuzz | source | stretch | (not affected) | | | |
| harfbuzz | source | (unstable) | 8.0.0-1 | | | 1030612 |
Notes
[bookworm] - harfbuzz <no-dsa> (Minor issue)
[bullseye] - harfbuzz <no-dsa> (Minor issue)
[buster] - harfbuzz <no-dsa> (Minor issue)
Original fix: https://github.com/harfbuzz/harfbuzz/commit/85be877925ddbf34f74a1229f3ca1716bb6170dc
Reverted: https://github.com/harfbuzz/harfbuzz/commit/661050b4659ee490dfe622821bc7fde7d1c40510
Fixed by: https://github.com/harfbuzz/harfbuzz/commit/8708b9e081192786c027bb7f5f23d76dbe5c19e8 (7.0.0)
[stretch] - harfbuzz <not-affected> (The vulnerable code was introduced later)
[jessie] - harfbuzz <not-affected> (The vulnerable code was introduced later)