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Off-by-one heap over-read in rastertolabel memcmp for ZEBRA_EPL_PAGE and ZEBRA_CPCL

Status: Open.

#1545 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Unsigned integer underflow in ippevepcl margin calculation causes heap overflow

Status: Open.

#1544 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Stack buffer over-read in lpd_command() via vsnprintf return value misuse

Status: Open.

#1543 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Stack buffer overflow in ipptool with_value() for long octetString WITH-VALUE

Status: Open.

#1542 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Integer overflow in cupsRasterWriteTest (raster-testpage.h) via extreme HWResolution

Status: Open.

#1541 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Signed integer overflow in config parsing silently sets MaxRequestSize to 0 (unlimited)

Status: Open.

#1540 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Unbounded recursion in cupsEncodeOptions2 / _cupsEncodeOption for nested collections

Status: Open.

#1539 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Missing lower-bound check on num_supplies allows heap overflow via malicious cache file

Status: Open.

#1538 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Heap buffer overflow in rastertoepson PackBits compression (CompBuffer undersized for RGB)

Status: Open.

#1537 In OpenPrinting/cups;

· Tomer-PL opened on Apr 12, 2026

Local printers also created as remote printers on the same machine

bugSomething isn't workingSomething isn't working

investigatingInvestigating the issueInvestigating the issue

Status: Open.

#1531 In OpenPrinting/cups;

· brianjmurrell opened on Apr 7, 2026

·  

v2.4.x

Auto-generated self-signed certificate does not regenerate after expiration

bugSomething isn't workingSomething isn't working

priority-medium

Status: Open.

#1519 In OpenPrinting/cups;

· schuster opened on Mar 26, 2026

·  

v2.5

CUPS doesn't hold jobs using a password, preventing iOS clients from displaying the PIN needed to release them.

enhancementNew feature or requestNew feature or request

platform issueIssue is specific to an OS or desktopIssue is specific to an OS or desktop

Status: Open.

#1456 In OpenPrinting/cups;

· michaelrsweet opened on Dec 15, 2025

·  

v2.5