Nixpkgs security tracker

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Published issues

All published security issues are tracked and resolved on GitHub.

NIXPKGS-2026-0005
published on
updated 3 months, 1 week ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
wb2osz/direwolf <= 1.8 Reachable Assertion DoS

wb2osz/direwolf (Dire Wolf) versions up to and including 1.8, prior to commit 3658a87, contain a reachable assertion vulnerability in the APRS MIC-E decoder function aprs_mic_e() located in src/decode_aprs.c. When processing a specially crafted AX.25 frame containing a MIC-E message with an empty or truncated comment field, the application triggers an unhandled assertion checking for a non-empty comment. This assertion failure causes immediate process termination, allowing a remote, unauthenticated attacker to cause a denial of service by sending malformed APRS traffic.

Affected products

direwolf
  • =<1.8.1
  • ==commit 3658a87
  • =<1.8

Matching in nixpkgs

pkgs.direwolf

Soundcard Packet TNC, APRS Digipeater, IGate, APRStt gateway

  • nixos-unstable 1.7
    • nixpkgs-unstable 1.7
    • nixos-unstable-small 1.7

Package maintainers

Patch: https://github.com/wb2osz/direwolf/commit/3658a878920803bbb69a4567579dcc4d6cb80a92
NIXPKGS-2026-0006
published on
updated 3 months, 1 week ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
rofl0r/proxychains-ng <= 4.17 Stack-based Buffer Overflow

rofl0r/proxychains-ng versions up to and including 4.17 and prior to commit cc005b7 contain a stack-based buffer overflow vulnerability in the function proxy_from_string() located in src/libproxychains.c. When parsing crafted proxy configuration entries containing overly long username or password fields, the application may write beyond the bounds of fixed-size stack buffers, leading to memory corruption or crashes. This vulnerability may allow denial of service and, under certain conditions, could be leveraged for further exploitation depending on the execution environment and applied mitigations.

Affected products

proxychains-ng
  • ==commit cc005b7
  • =<4.17

Matching in nixpkgs

pkgs.proxychains-ng

Preloader which hooks calls to sockets in dynamically linked programs and redirects it through one or more socks/http proxies

  • nixos-unstable 4.17
    • nixpkgs-unstable 4.17
    • nixos-unstable-small 4.17

Package maintainers

Patch: https://github.com/httpsgithu/proxychains-ng/commit/cc005b7132811c9149e77b5e33cff359fc95512e
NIXPKGS-2026-0007
published on
updated 3 months, 1 week ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse ignored package pretix-banktool
  • @mweinelt accepted
  • @LeSuisse deleted maintainer @mweinelt maintainer.delete
  • @LeSuisse published on GitHub
Limited HTML injection in emails

Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name} is used in an email template, it will be replaced with the buyer's name for the final email. If the name of the attendee contained HTML or Markdown formatting, this was rendered as HTML in the resulting email. This way, a user could inject links or other formatted text through a maliciously formatted name. Since pretix applies a strict allow list approach to allowed HTML tags, this could not be abused for XSS or similarly dangerous attack chains. However, it can be used to manipulate emails in a way that makes user-provided content appear in a trustworthy and credible way, which can be abused for phishing.

Affected products

pretix
  • <2025.8.0
  • <2025.7.0
  • <2025.10.0
  • <2025.9.0

Matching in nixpkgs

pkgs.pretix

Ticketing software that cares about your event—all the way

Ignored packages (1)

pkgs.pretix-banktool

Automatic bank data upload tool for pretix (with FinTS client)

Package maintainers

Ignored maintainers (1)
fbad460b426553178200c2c13d3c3ffef3db61dd (unstable)
d367441a2a542b46bcd8966f654045b7054f5d39 (25.11)
95c90c7122daae516db39fffda5bb4e13dd9161e (25.05)
NIXPKGS-2026-0004
published on
Permalink CVE-2025-69194
8.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): NONE
  • User interaction (UI): REQUIRED
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 3 months, 1 week ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse deleted maintainer @SuperSandro2000 maintainer.delete
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Wget2: arbitrary file write via metalink path traversal in gnu wget2

A security issue was discovered in GNU Wget2 when handling Metalink documents. The application fails to properly validate file paths provided in Metalink <file name> elements. An attacker can abuse this behavior to write files to unintended locations on the system. This can lead to data loss or potentially allow further compromise of the user’s environment.

References

Affected products

wget2
  • ==2.2.1
  • =<2.2.0

Matching in nixpkgs

pkgs.wget2

Successor of GNU Wget, a file and recursive website downloader

Package maintainers

Ignored maintainers (1)
NIXPKGS-2025-0023
published on
Permalink CVE-2025-11683
6.5 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): ADJACENT_NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): NONE
  • Availability impact (A): NONE
updated 3 months, 3 weeks ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
YAML::Syck versions before 1.36 for Perl has missing Null-Terminators which causes Out-of-Bounds Read and potential Information Disclosure

YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads to but-of-bounds read which allows adjacent variable to be read The issue is seen with complex YAML files with a hash of all keys and empty values.  There is no indication that the issue leads to accessing memory outside that allocated to the module.

Affected products

YAML-Syck
  • <1.36

Matching in nixpkgs

NIXPKGS-2025-0015
published on
updated 4 months ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse ignored
    14 packages
    • temporal-cli
    • python312Packages.temporalio
    • python313Packages.temporalio
    • haskellPackages.temporal-media
    • terraform-providers.temporalcloud
    • postgresqlPackages.temporal_tables
    • postgresql13Packages.temporal_tables
    • postgresql14Packages.temporal_tables
    • postgresql15Packages.temporal_tables
    • postgresql16Packages.temporal_tables
    • postgresql18Packages.temporal_tables
    • haskellPackages.temporal-music-notation
    • haskellPackages.temporal-music-notation-demo
    • haskellPackages.temporal-music-notation-western
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Insufficiently specific bounds checking on authorization header could lead to …

Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory allocation.This issue affects all platforms and versions of OSS Server prior to 1.26.3, 1.27.3, and 1.28.1 (i.e., fixed in 1.26.3, 1.27.3, and 1.28.1 and later). Temporal Cloud services are not impacted.

Affected products

temporal
  • <1.27.3
  • <1.26.3
  • <1.28.1

Matching in nixpkgs

pkgs.temporal

Microservice orchestration platform which enables developers to build scalable applications without sacrificing productivity or reliability

  • nixos-unstable -
Ignored packages (14)

pkgs.temporal-cli

Command-line interface for running Temporal Server and interacting with Workflows, Activities, Namespaces, and other parts of Temporal

  • nixos-unstable -

Package maintainers

NIXPKGS-2025-0016
published on
Permalink CVE-2025-61661
4.8 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): PHYSICAL
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): NONE
  • Integrity impact (I): LOW
  • Availability impact (A): HIGH
updated 4 months ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse deleted
    4 maintainers
    • @SigmaSquadron
    • @hehongbo
    • @digitalrane
    • @CertainLach
    maintainer.delete
  • @LeSuisse ignored
    2 packages
    • grub2_pvhgrub_image
    • grub2_pvgrub_image
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Grub2: out-of-bounds write

A vulnerability has been identified in the GRUB (Grand Unified Bootloader) component. This flaw occurs because the bootloader mishandles string conversion when reading information from a USB device, allowing an attacker to exploit inconsistent length values. A local attacker can connect a maliciously configured USB device during the boot sequence to trigger this issue. A successful exploitation may lead GRUB to crash, leading to a Denial of Service. Data corruption may be also possible, although given the complexity of the exploit the impact is most likely limited.

Affected products

grub2
  • =<2.14
rhcos
Ignored packages (2)

pkgs.grub2_pvgrub_image

PvGrub2 image for booting PV Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small

pkgs.grub2_pvhgrub_image

PvGrub2 image for booting PVH Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small
NIXPKGS-2025-0017
published on
Permalink CVE-2025-61663
4.9 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): LOW
  • Integrity impact (I): LOW
  • Availability impact (A): LOW
updated 4 months ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse deleted
    4 maintainers
    • @SigmaSquadron
    • @hehongbo
    • @digitalrane
    • @CertainLach
    maintainer.delete
  • @LeSuisse ignored
    2 packages
    • grub2_pvgrub_image
    • grub2_pvhgrub_image
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Grub2: missing unregister call for normal commands may lead to use-after-free

A vulnerability has been identified in the GRUB2 bootloader's normal command that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the normal command is not properly unregistered when the module is unloaded. An attacker who can execute this command can force the system to access memory locations that are no longer valid. Successful exploitation leads directly to system instability, which can result in a complete crash and halt system availability. Impact on the data integrity and confidentiality is also not discarded.

References

Affected products

grub2
  • =<2.14
rhcos
Ignored packages (2)

pkgs.grub2_pvgrub_image

PvGrub2 image for booting PV Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small

pkgs.grub2_pvhgrub_image

PvGrub2 image for booting PVH Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small
NIXPKGS-2025-0021
published on
Permalink CVE-2025-61664
4.9 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): LOW
  • Integrity impact (I): LOW
  • Availability impact (A): LOW
updated 4 months ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse ignored
    2 packages
    • grub2_pvgrub_image
    • grub2_pvhgrub_image
  • @LeSuisse deleted maintainer @SigmaSquadron maintainer.delete
  • @LeSuisse added
    3 maintainers
    • @hehongbo
    • @digitalrane
    • @CertainLach
    maintainer.add
  • @LeSuisse deleted
    3 maintainers
    • @hehongbo
    • @digitalrane
    • @CertainLach
    maintainer.delete
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Grub2: missing unregister call for normal_exit command may lead to use-after-free

A vulnerability in the GRUB2 bootloader has been identified in the normal module. This flaw, a memory Use After Free issue, occurs because the normal_exit command is not properly unregistered when its related module is unloaded. An attacker can exploit this condition by invoking the command after the module has been removed, causing the system to improperly access a previously freed memory location. This leads to a system crash or possible impacts in data confidentiality and integrity.

References

Affected products

grub2
  • =<2.14
rhcos
Ignored packages (2)

pkgs.grub2_pvgrub_image

PvGrub2 image for booting PV Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small

pkgs.grub2_pvhgrub_image

PvGrub2 image for booting PVH Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small
NIXPKGS-2025-0018
published on
Permalink CVE-2025-61662
4.9 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): LOW
  • Integrity impact (I): LOW
  • Availability impact (A): LOW
updated 4 months ago by @LeSuisse Activity log
  • Created automatic suggestion
  • @LeSuisse deleted
    4 maintainers
    • @SigmaSquadron
    • @hehongbo
    • @digitalrane
    • @CertainLach
    maintainer.delete
  • @LeSuisse ignored
    2 packages
    • grub2_pvhgrub_image
    • grub2_pvgrub_image
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
Grub2: missing unregister call for gettext command may lead to use-after-free

A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

Affected products

grub2
  • =<2.14
rhcos
Ignored packages (2)

pkgs.grub2_pvgrub_image

PvGrub2 image for booting PV Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small

pkgs.grub2_pvhgrub_image

PvGrub2 image for booting PVH Xen guests

  • nixos-unstable -
    • nixpkgs-unstable
    • nixos-unstable-small