Description
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in _ppdCreateFromIPP() (cups/ppd-cache.c) allows any unprivileged local user to crash the cupsd root process by supplying a negative job-password-supported IPP attribute. The bounds check only caps the upper bound, so a negative value passes validation, is cast to size_t (wrapping to ~2^64), and is used as the length argument to memset() on a 33-byte stack buffer. This causes an immediate SIGSEGV in the cupsd root process. Combined with systemd's Restart=on-failure, an attacker can repeat the crash for sustained denial of service.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 11 | | =2.3.3op2-3+deb11u1 || =2.3.3op2-3+deb11u10 || =2.3.3op2-3+deb11u2 || =2.3.3op2-3+deb11u3 || =2.3.3op2-3+deb11u4 || =2.3.3op2-3+deb11u5 || =2.3.3op2-3+deb11u6 || =2.3.3op2-3+deb11u7 || =2.3.3op2-3+deb11u8 || =2.3.3op2-3+deb11u9 || =2.3.3op2-4 || =2.3.3op2-5 || =2.3.3op2-6 || =2.3.3op2-7 || =2.4.10-1 || =2.4.10-2 || =2.4.10-3 || =2.4.10-4 || =2.4.14-1 || =2.4.15-1 || =2.4.16-1 || =2.4.17-1 || =2.4.18-1 || =2.4.1op1-1 || =2.4.1op1-2 || =2.4.2-1 || =2.4.2-2 || =2.4.2-3 || =2.4.2-4 || =2.4.2-5 || =2.4.2-6 || =2.4.7-1 || =2.4.7-1.1 || =2.4.7-1.2 || =2.4.7-2 || =2.4.7-3 | - |
debian 14 | | =2.4.10-3 || =2.4.10-4 || =2.4.14-1 || =2.4.15-1 || =2.4.16-1 || >=0 <2.4.17-1 | 2.4.17-1 |
 rpm rhel7 | | - | - |
debian 12 | | =2.4.10-1 || =2.4.10-2 || =2.4.10-3 || =2.4.10-4 || =2.4.14-1 || =2.4.15-1 || =2.4.16-1 || =2.4.17-1 || =2.4.18-1 || =2.4.2-3 || =2.4.2-3+deb12u1 || =2.4.2-3+deb12u2 || =2.4.2-3+deb12u3 || =2.4.2-3+deb12u4 || =2.4.2-3+deb12u5 || =2.4.2-3+deb12u6 || =2.4.2-3+deb12u7 || =2.4.2-3+deb12u8 || =2.4.2-3+deb12u9 || =2.4.2-4 || =2.4.2-5 || =2.4.2-6 || =2.4.7-1 || =2.4.7-1.1 || =2.4.7-1.2 || =2.4.7-2 || =2.4.7-3 | - |
debian 13 | | =2.4.10-3 || =2.4.10-3+deb13u1 || =2.4.10-3+deb13u2 || =2.4.10-4 || =2.4.14-1 || =2.4.15-1 || =2.4.16-1 || =2.4.17-1 || =2.4.18-1 | - |
rpm rhel6 | | - | - |
rpm rhel9 | | - | - |
rpm rhel8 | | - | - |
rpm rhel10 | | - | - |
 alpine v3.21 | | =1.4.1-r0 || =1.4.2-r0 || =1.4.2-r1 || =1.4.2-r2 || =1.4.3-r0 || =1.4.3-r1 || =1.4.3-r2 || =1.4.3-r3 || =1.4.4-r0 || =1.4.4-r1 || =1.4.5-r0 || =1.4.6-r0 || =1.4.7-r0 || =1.4.8-r0 || =1.5.0-r0 || =1.5.0-r1 || =1.5.0-r2 || =1.5.2-r0 || =1.5.2-r1 || =1.5.2-r2 || =1.5.2-r3 || =1.5.3-r0 || =1.5.4-r0 || =1.5.4-r1 || =1.6.1-r0 || =1.6.1-r1 || =1.6.2-r0 || =1.6.2-r1 || =1.6.3-r0 || =1.6.4-r0 || =1.7.0-r0 || =1.7.0-r1 || =1.7.1-r0 || =1.7.2-r0 || =1.7.3-r0 || =1.7.3-r1 || =1.7.4-r0 || =1.7.5-r0 || =2.0.0-r0 || =2.0.1-r0 || =2.0.2-r0 || =2.0.2-r1 || =2.0.2-r2 || =2.0.3-r0 || =2.0.4-r0 || =2.1.0-r0 || =2.1.1-r0 || =2.1.2-r0 || =2.1.3-r0 || =2.1.3-r1 || =2.1.4-r0 || =2.2.1-r0 || =2.2.1-r1 || =2.2.10-r0 || =2.2.11-r0 || =2.2.12-r0 || =2.2.12-r1 || =2.2.12-r2 || =2.2.2-r0 || =2.2.2-r1 || =2.2.2-r2 || =2.2.3-r0 || =2.2.3-r1 || =2.2.4-r0 || =2.2.5-r0 || =2.2.5-r1 || =2.2.6-r0 || =2.2.9-r0 || =2.3.3-r0 || =2.3.3-r1 || =2.3.3-r2 || =2.3.3-r3 || =2.3.3-r4 || =2.4.0-r0 || =2.4.1-r0 || =2.4.1-r1 || =2.4.10-r0 || =2.4.10-r1 || =2.4.11-r0 || =2.4.16-r0 || =2.4.2-r0 || =2.4.2-r1 || =2.4.2-r2 || =2.4.2-r3 || =2.4.2-r4 || =2.4.2-r5 || =2.4.2-r6 || =2.4.2-r7 || =2.4.3-r0 || =2.4.3-r1 || =2.4.4-r0 || =2.4.5-r0 || =2.4.6-r0 || =2.4.7-r0 || =2.4.7-r1 || =2.4.7-r2 || =2.4.7-r3 || =2.4.7-r4 || =2.4.8-r0 || =2.4.9-r0 || >=0 <2.4.18-r0 | 2.4.18-r0 |
