[UPDATE] [niedrig] CUPS: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen
Ein Angreifer aus einem angrenzenden Netzwerk kann mehrere Schwachstellen in CUPS ausnutzen, um Informationen offenzulegen.
Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3282
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-878750.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-878760.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-87875 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-87876 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- lowCVE-2026-87876: Two case-insensitive comparisons on request-derived usernames outside the main authorization p…nvd
- mediumCVE-2026-87875: The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can …nvd
- mediumCVE-2026-87875: Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-lengt…msrc
- lowCVE-2026-87876: Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths …msrc
Recent advisories for CUPS
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[UPDATE] [mittel] CUPS (libcupsfilters, cups-filters): Schwachstelle ermöglicht Denial of Servicecert-bund · 2026-09-15
- low[NEU] [UNGEPATCHT] [niedrig] CUPS: Schwachstelle ermöglicht Codeausführungcert-bund · 2026-09-14
- lowCVE-2026-87876: Two case-insensitive comparisons on request-derived usernames outside the main authorization p…nvd · 2026-09-09
- mediumCVE-2026-87875: The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can …nvd · 2026-09-09
- lowCVE-2026-87876: Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths …msrc · 2026-09-08
- mediumCVE-2026-87875: Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-lengt…msrc · 2026-09-08
More from CERT-Bund (BSI) Security Advisories
- medium[UPDATE] [mittel] Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service2026-09-15
- high[UPDATE] [hoch] Linux Kernel: Mehrere Schwachstellen2026-09-15
- high[UPDATE] [hoch] Linux Kernel: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff2026-09-15
- high[NEU] [hoch] MISP: Mehrere Schwachstellen2026-09-15
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