Gentoo: GLSA-202407-24: HarfBuzz: Denial of ServiceSecurity Advisory Updates
Summary
Multiple vulnerabilities have been discovered in HarfBuzz. Please review
the CVE identifiers referenced below for details.
Resolution
All HarfBuzz users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/harfbuzz-7.1.0"
References
[ 1 ] CVE-2023-22006
https://nvd.nist.gov/vuln/detail/CVE-2023-22006
[ 2 ] CVE-2023-22036
https://nvd.nist.gov/vuln/detail/CVE-2023-22036
[ 3 ] CVE-2023-22041
https://nvd.nist.gov/vuln/detail/CVE-2023-22041
[ 4 ] CVE-2023-22044
https://nvd.nist.gov/vuln/detail/CVE-2023-22044
[ 5 ] CVE-2023-22045
https://nvd.nist.gov/vuln/detail/CVE-2023-22045
[ 6 ] CVE-2023-22049
https://nvd.nist.gov/vuln/detail/CVE-2023-22049
[ 7 ] CVE-2023-25193
https://nvd.nist.gov/vuln/detail/CVE-2023-25193
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202407-24
Concerns
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
A vulnerability has been discovered in HarfBuzz, which can lead to a
denial of service.
Background
HarfBuzz is an OpenType text shaping engine.
Affected Packages
Package Vulnerable Unaffected
------------------- ------------ ------------
media-libs/harfbuzz < 7.1.0 >= 7.1.0
Impact
hb-ot-layout-gsubgpos.hh in HarfBuzz allows attackers to trigger O(n^2)
growth via consecutive marks during the process of looking back for base
glyphs when attaching marks.
Workaround
There is no known workaround at this time.