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CVE-2021-41259

Security update for nim

9.8 CriticalFix availableRejected

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: None. Reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Notes: None.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

What each source reports

EUVD Score usedEUVD-2021-28303 9.8

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: None. Reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Notes: None.

Record
EUVD-2021-28303
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
CVE List No score

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: None. Reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Notes: None.

Record
CVE-2021-41259
Updated
2026-11-02
NVD No score

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: None. Reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Notes: None.

Record
CVE-2021-41259
Updated
2026-11-02
OSVUBUNTU-CVE-2021-41259 9.8

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: None. Reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Notes: None.

Record
UBUNTU-CVE-2021-41259
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2021:1585-1 No score

Security update for nim

This update for nim fixes the following issues:

  • CVE-2021-41259: Fixed vulnerability in URL parser that allowed a null byte bypass (boo#1192712)
Record
openSUSE-SU-2021:1585-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:1592-1 No score

Security update for nim

This update for nim fixes the following issues:

  • CVE-2021-41259: Fixed vulnerability in URL parser that allowed a null byte bypass (boo#1192712)

This update was imported from the openSUSE:Leap:15.2:Update update project.

Record
openSUSE-SU-2021:1592-1
Updated
2026-11-02
OSVopenSUSE-SU-2022:10095-1 No score

Security update for nim

This update for nim fixes the following issues:

Includes upstream security fixes for:

  • (boo#1175333, CVE-2020-15693) httpClient is vulnerable to a CR-LF injection
  • (boo#1175334, CVE-2020-15692) mishandle of argument to browsers.openDefaultBrowser
  • (boo#1175332, CVE-2020-15694) httpClient.get().contentLength() fails to properly validate the server response
  • (boo#1192712, CVE-2021-41259) null byte accepted in getContent function, leading to URI validation bypass
  • (boo#1185948, CVE-2021-29495) stdlib httpClient does not validate peer certificates by default
  • (boo#1185085, CVE-2021-21374) Improper verification of the SSL/TLS certificate
  • (boo#1185084, CVE-2021-21373) 'nimble refresh' falls back to a non-TLS URL in case of error
  • (boo#1185083, CVE-2021-21372) doCmd can be leveraged to execute arbitrary commands
  • (boo#1181705, CVE-2020-15690) Standard library asyncftpclient lacks a check for newline character

Following nim tools now work as expected:

  • nim_dbg is now installed.
  • nim-gdb can be successfully launched as it finds and loads nim-gdb.py correctly under gdb.
  • nimble package manager stores package information per user.
  • compiler package can be found and used, as it may be required by other packages.

Update to 1.6.6

  • standard library use consistent styles for variable names so it can be used in projects which force a consistent style with --styleCheck:usages option.
  • ARC/ORC are now considerably faster at method dispatching, bringing its performance back on the level of the refc memory management.
  • Full changelog: https://nim-lang.org/blog/2022/05/05/version-166-released.html
  • Previous updates and changelogs:

Update to 1.2.16

  • oids: switch from PRNG to random module
  • nimc.rst: fix table markup
  • nimRawSetjmp: support Windows
  • correctly enable chronos
  • bigints are not supposed to work on 1.2.x
  • disable nimpy
  • misc bugfixes
  • fixes a 'mixin' statement handling regression [backport:1.2

Update to version 1.2.12

  • Fixed GC crash resulting from inlining of the memory allocation procs
  • Fixed “incorrect raises effect for $(NimNode)” (#17454)
  • from version 1.2.10
  • Fixed “JS backend doesn’t handle float->int type conversion “ (#8404)
  • Fixed “The “try except” not work when the “OSError: Too many open files” error occurs!” (#15925)
  • Fixed “Nim emits #line 0 C preprocessor directives with –debugger:native, with ICE in gcc-10” (#15942)
  • Fixed “tfuturevar fails when activated” (#9695)
  • Fixed “nre.escapeRe is not gcsafe” (#16103)
  • Fixed ““Error: internal error: genRecordFieldAux” - in the “version-1-4” branch” (#16069)
  • Fixed “-d:fulldebug switch does not compile with gc:arc” (#16214)
  • Fixed “osLastError may randomly raise defect and crash” (#16359)
  • Fixed “generic importc proc’s don’t work (breaking lots of vmops procs for js)” (#16428)
  • Fixed “Concept: codegen ignores parameter passing” (#16897)
  • Fixed “{.push exportc.} interacts with anonymous functions” (#16967)
  • Fixed “memory allocation during {.global.} init breaks GC” (#17085)
  • Fixed 'Nimble arbitrary code execution for specially crafted package metadata'
  • Fixed 'Nimble falls back to…
Record
openSUSE-SU-2022:10095-1
Updated
2026-11-02
OSVopenSUSE-SU-2022:10101-1 No score

Security update for nim

This update for nim fixes the following issues:

Includes upstream security fixes for:

  • (boo#1175333, CVE-2020-15693) httpClient is vulnerable to a CR-LF injection
  • (boo#1175334, CVE-2020-15692) mishandle of argument to browsers.openDefaultBrowser
  • (boo#1175332, CVE-2020-15694) httpClient.get().contentLength() fails to properly validate the server response
  • (boo#1192712, CVE-2021-41259) null byte accepted in getContent function, leading to URI validation bypass
  • (boo#1185948, CVE-2021-29495) stdlib httpClient does not validate peer certificates by default
  • (boo#1185085, CVE-2021-21374) Improper verification of the SSL/TLS certificate
  • (boo#1185084, CVE-2021-21373) 'nimble refresh' falls back to a non-TLS URL in case of error
  • (boo#1185083, CVE-2021-21372) doCmd can be leveraged to execute arbitrary commands
  • (boo#1181705, CVE-2020-15690) Standard library asyncftpclient lacks a check for newline character

Update to 1.6.6

  • standard library use consistent styles for variable names so it can be used in projects which force a consistent style with --styleCheck:usages option.
  • ARC/ORC are now considerably faster at method dispatching, bringing its performance back on the level of the refc memory management.
  • Full changelog: https://nim-lang.org/blog/2022/05/05/version-166-released.html
  • Previous updates and changelogs:

update to 1.2.16

  • oids: switch from PRNG to random module
  • nimc.rst: fix table markup
  • nimRawSetjmp: support Windows
  • correctly enable chronos
  • bigints are not supposed to work on 1.2.x
  • disable nimpy
  • misc bugfixes
  • fixes a 'mixin' statement handling regression [backport:1.2
Record
openSUSE-SU-2022:10101-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:12253-1 No score

nim-1.6.6-3.1 on GA media

These are all security issues fixed in the nim-1.6.6-3.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:12253-1
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
nim
openSUSE:Leap 15.2
before 1.2.12-lp152.2.6.1
1.2.12-lp152.2.6.1
nim
SUSE:Package Hub 15 SP2
before 1.2.12-bp152.4.6.1
1.2.12-bp152.4.6.1
nim
SUSE:Package Hub 15 SP3
From an advisory covering 9 CVEs
before 1.6.6-bp153.2.3.1
1.6.6-bp153.2.3.1
nim
openSUSE:Leap 15.3
From an advisory covering 9 CVEs
before 1.6.6-bp153.2.3.1
1.6.6-bp153.2.3.1
nim
SUSE:Package Hub 15 SP4
From an advisory covering 9 CVEs
before 1.6.6-bp154.2.3.1
1.6.6-bp154.2.3.1
nim
openSUSE:Leap 15.4
From an advisory covering 9 CVEs
before 1.6.6-bp154.2.3.1
1.6.6-bp154.2.3.1
nim
openSUSE:Tumbleweed
From an advisory covering 6 CVEs
before 1.6.6-3.1
1.6.6-3.1

History

History
RecordedChangedSources
affected, facts
affected
aliases, references, severityEUVD
first indexedCVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-41259 has been rejected by its source and should not be treated as a live vulnerability, published November 12, 2021. Fixed in nim 1.2.12-lp152.2.6.1.

References

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