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NixOS Security Triage

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Coordination and triage of security issues in nixpkgs | Discussions in #security-discuss:nixos.org | Open PRs: https://github.com/NixOS/nixpkgs/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc+label%3A%221.severity%3A+security%22204 Servers

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1 Jul 2025
@mtheil:scs.ems.hostMarkus TheilThx for the hint. Will add a PR this evening.13:57:22
@mtheil:scs.ems.hostMarkus TheilAll mentioned CVEs are also fixed in the PR for 3.5.0 already merged to staging. Currently used version 3.4.x are not affected.13:58:26
@sigmasquadron:matrix.orgSigmaSquadronXSA #470: https://github.com/NixOS/nixpkgs/pull/42151414:19:12
@sigmasquadron:matrix.orgSigmaSquadron * XSA #470: https://github.com/NixOS/nixpkgs/pull/421514 14:19:50
@emilazy:matrix.orgemilyon it. does it need backporting?14:39:36
@zororg:matrix.orgzororg joined the room.14:55:33
@mtheil:scs.ems.hostMarkus Theilhttps://github.com/NixOS/nixpkgs/pull/421531 is still compiling on my side. Will ping here, when ready and some smoke tests are done.15:33:21
@sigmasquadron:matrix.orgSigmaSquadron
In reply to @emilazy:matrix.org
on it. does it need backporting?
yep, forgot the label, sorry.
15:57:16
@dues__:matrix.orgDamian Poddebniak joined the room.20:54:51
2 Jul 2025
@mtheil:scs.ems.hostMarkus TheilOpenSSL is ready. Update for 25.05 in https://github.com/NixOS/nixpkgs/pull/42173509:43:52
4 Jul 2025
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)

https://nvd.nist.gov/vuln/detail/CVE-2025-6817 | https://github.com/HDFGroup/hdf5/issues/5572
https://nvd.nist.gov/vuln/detail/CVE-2025-6816 | https://github.com/HDFGroup/hdf5/issues/5571
https://nvd.nist.gov/vuln/detail/CVE-2025-6750 | https://github.com/HDFGroup/hdf5/issues/5549

hdf5 doesn't have a new release, and none of these CVEs have patches yet either. I'll be watching the issues, i have my own projects that depend on hdf5 (bachelors thesis) but figured i might as well post these here too. Fix will likely only come out in September.

07:53:03
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all) *

https://nvd.nist.gov/vuln/detail/CVE-2025-6817 | https://github.com/HDFGroup/hdf5/issues/5572
https://nvd.nist.gov/vuln/detail/CVE-2025-6816 | https://github.com/HDFGroup/hdf5/issues/5571
https://nvd.nist.gov/vuln/detail/CVE-2025-6750 | https://github.com/HDFGroup/hdf5/issues/5549
https://nvd.nist.gov/vuln/detail/CVE-2025-6516 | https://github.com/HDFGroup/hdf5/issues/5581

hdf5 doesn't have a new release, and none of these CVEs have patches yet either. I'll be watching the issues, i have my own projects that depend on hdf5 (bachelors thesis) but figured i might as well post these here too. Fix will likely only come out in September.

07:54:17
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all) *

https://nvd.nist.gov/vuln/detail/CVE-2025-6817 | https://github.com/HDFGroup/hdf5/issues/5572
https://nvd.nist.gov/vuln/detail/CVE-2025-6816 | https://github.com/HDFGroup/hdf5/issues/5571
https://nvd.nist.gov/vuln/detail/CVE-2025-6750 | https://github.com/HDFGroup/hdf5/issues/5549
https://nvd.nist.gov/vuln/detail/CVE-2025-6516 | https://github.com/HDFGroup/hdf5/issues/5581
https://nvd.nist.gov/vuln/detail/CVE-2025-6270 | https://github.com/HDFGroup/hdf5/issues/5580
https://nvd.nist.gov/vuln/detail/CVE-2025-6269 | https://nvd.nist.gov/vuln/detail/CVE-2025-6269

hdf5 doesn't have a new release, and none of these CVEs have patches yet either. I'll be watching the issues, i have my own projects that depend on hdf5 (bachelors thesis) but figured i might as well post these here too. Fix will likely only come out in September.

07:55:50
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)there might well be more, seems some new people started actually fuzzing that lib. There is POCs and all, but assigned severity is all somewhat low. Still safe to say the next release is security-relevant07:57:13

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