dbcve.org
Debian LinuxOperating system · Debian

CVE-2022-3970

HIGH · 8.8 CVSS v3.1 Published 2022-11-13
Fix available
A fix is available. Upgrade to 4.5.0 / 13.5 or later.
See remediation →
95/100
Remediation priority · Urgent
Public exploit Remotely reachable No privileges Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability was found in LibTIFF. It has been classified as critical. This affects the function TIFFReadRGBATileExt of the file libtiff/tif_getimage.c. The manipulation leads to integer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 227500897dfb07fb7d27f7aa570050e62617e3be. It is recommended to apply a patch to fix this issue. The identifier VDB-213549 was assigned to this vulnerability.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-189

A legacy NVD category grouping numeric mistakes — overflows, truncation, sign errors — where a miscalculated value goes on to drive a dangerous decision such as a memory allocation or a bounds check. It is a bucket rather than one specific bug. Remediation is checked arithmetic and validating any computed size or index before it is used.

General guidance for the numeric errors class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Debian LinuxOperating system
Affected:= 10.0
SafariWeb browser
Affected:< 16.5.1
LibtiffApplication
Affected:< 4.5.0
Active Iq Unified ManagerApplication
Affected:all versions
IpadosOperating system
Affected:< 16.6
Iphone OsOperating system
Affected:< 16.6
macOSOperating system
Affected:< 13.5

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 4.5.0 / 13.5 / 16.5.1 or later
Fixed in 4.5.013.516.5.1
Vendor patch gitlab.com →
Recommended fix High confidence

LibTIFF 4.5.0 or later; Apple security updates as listed in support.apple.com for respective OS versions

  1. For LibTIFF: Upgrade to LibTIFF version 4.5.0 or later where the integer overflow in TIFFReadRGBATileExt is fixed
  2. For Apple devices: Update Safari to version 16.5.1 or later on macOS
  3. For Apple devices: Update iOS to version 16.6 or later on iPhone
  4. For Apple devices: Update iPadOS to version 16.6 or later on iPad
  5. For Apple devices: Update macOS to version 13.5 or later
  6. For Debian Linux 10.0: Apply vendor security updates from Debian to get a patched LibTIFF package
  7. For Active IQ Unified Manager: Contact NetApp support for vendor-specific patches since all versions are affected
Caveat Review release notes for LibTIFF 4.5.0 for any API/ABI changes; Apple updates may require OS version constraints

Generated from the published advisory — verify against the referenced sources before acting.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-3970 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data