A flaw was found in CUPS. When processing embedded job ticket comments within documents, the service improperly handles specific IPP attributes, causing an unhandled null pointer dereference. An unauthenticated attacker permitted to submit jobs to a shared printer queue can send a crafted Internet Printing Protocol (IPP) request to crash the print daemon, resulting in a temporary Denial of Service (DoS) for all printing services.
CVE-2026-107655
MEDIUMPre-NVD 4.04.0Trending — 3 sources updated this weekElevatedEG-KEV Tier 3: ElevatedEG-KEV is EchelonGraph's own tiering of exploitation signals from CISA KEV, CISA's SSVC data (Vulnrichment), ransomware data, public exploit-code references and EPSS.Tier 3 is not evidence of exploitation. It means public exploit code is referenced, or CISA's SSVC data says "public PoC", or EPSS ranks the CVE in the top 5%.Signals for this CVE: CISA's SSVC exploitation value: public PoC.EchelonGraph confidence 38%: a heuristic from the tier and the number of signals, not a measured probability.
EchelonGraph scoreMEDIUM confidence
“—” beside the score: it is equal to the CVSS score beside it.
This medium-severity CVE scores 4.0 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit probability: 0.1% (2nd percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.
Triggered by: Headline CVSS from the CNA's CVSS
Sources: the CNA's CVSS, EPSS
4.0EG
EchelonGraph verdictPlan mitigationRemediate within your standard update timelines (the SSVC decision on this page).
- CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 4.0Exploit: No code on recordExposed services: Not assessed
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
The CVE record's CNA (Red Hat, Inc.) lists Red Hat Hardened Images versions 2.4.19-4.4.hum1 and later as unaffected. No release containing a fix is confirmed on record.
- CVSS v3
- 4.0
- EG Score
- 4.0MEDIUMmedium confidence
- EG Risk
- 34EG Risk 34/100
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computed (value × EchelonGraph’s weight)Severity40% × 45%The EG Score, 4.0 of 10.Exploitation40% × 40%EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.Automatability0% × 15%CISA's SSVC Automatable value: no (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix. - EPSS PROB
- 0.1%
- EPSS %ILE
- 2nd
- KEV
- Not listed
SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.
In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
October 9, 2026
Last Modified
October 12, 2026
Advisory Details (5)
Auto-updated Oct 9, 2026No fix on record yet. Sources: redhat, github_commit, github.
GitHub advisoryMentions a patch (unverified)
Embedded job ticket comments can lead to a crash · Advisory · OpenPrinting/cups · GitHub
https://github.com/OpenPrinting/cups/security/advisories/GHSA-58wv-9ffm-5w78GitHub commit
commit 25d6830 (OpenPrinting/cups)
Fix landed in OpenPrinting/cups commit 25d6830 — awaiting tagged release
https://github.com/OpenPrinting/cups/commit/25d6830GitHub commit
commit 12237ad (OpenPrinting/cups)
Fix landed in OpenPrinting/cups commit 12237ad — awaiting tagged release
https://github.com/OpenPrinting/cups/commit/12237adRed Hat
2548399 – (CVE-2026-107655) CVE-2026-107655 cups: NULL pointer dereference via embedded job ticket comments allows remote denial of service
https://bugzilla.redhat.com/show_bug.cgi?id=2548399Red HatMentions a patch (unverified)
CVE-2026-107655 - Red Hat Customer Portal
Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a
https://access.redhat.com/security/cve/CVE-2026-107655Affected Packages
(3 across 3 ecosystems)
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| cups | 2.4.10-1 ... 2.4.7-3 (27 versions) |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| cups | 2.4.10-3 ... 2.4.18-1 (9 versions) |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| cups | 2.4.10-3 ... 2.4.18-1 (7 versions) |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 16× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
- 2026-10-12 21:21 UTCEG score recompute
- 2026-10-12 16:38 UTCEG score recompute
- 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
- 2026-10-11 20:14 UTCEG score recompute
- 2026-10-11 18:26 UTCEG score recompute
- 2026-10-11 15:00 UTCEG score recompute
- 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
- 2026-10-10 17:02 UTCEG score recompute
- 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.1% · 2nd percentile
- 2026-10-09 18:35 UTCEG score recompute
- 2026-10-09 17:55 UTCEG score recompute
- 2026-10-09 12:32 UTCEG score recompute
- 2026-10-09 11:19 UTCEG score recompute
- 2026-10-09 09:29 UTCEG score recompute
- 2026-10-09 09:08 UTCEG score recomputeFirst assessed: 4.0 MEDIUM
- 2026-10-09 09:08 UTCMITRE cvelistV5first tracked
Related CVEs(same product + same CWE)
Same product
10 shownDebian:12:cups
- CVE-2015-1158EG 10.0EPSS p98HIGH
- CVE-2008-5184EG 10.0HIGH
- CVE-2008-3641EG 10.0EPSS p98HIGH
- CVE-2008-0053EG 10.0EPSS p95HIGH
- CVE-2008-0882EG 10.0EPSS p93HIGH
- CVE-2007-4351EG 10.0EPSS p94HIGH
- CVE-2005-3625EG 10.0EPSS p90HIGH
- CVE-2004-0888EG 10.0EPSS p95HIGH
- CVE-2002-1367EG 10.0HIGH
- CVE-2002-1369EG 10.0EPSS p95HIGH
Frequently asked(5)
What is CVE-2026-107655?
CVE-2026-107655 is a medium-severity vulnerability; its CVE record was published on October 9, 2026. A flaw was found in CUPS. When processing embedded job ticket comments within documents, the service improperly handles specific IPP attributes, causing an unhandled null pointer dereference. An unauthenticated attacker permitted to submit jobs to a shared printer queue can send a crafted Internet…
When was CVE-2026-107655 made public?
CVE-2026-107655 was made public on October 9, 2026: that is the date its CVE record's CNA, Red Hat, Inc., gives for when the vulnerability was made public. The CVE record itself was published on October 9, 2026. EchelonGraph's copy of the record carries a last-modified date of October 12, 2026; the record at its source may have been updated since.
Is CVE-2026-107655 actively exploited?
CVE-2026-107655 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (2nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-107655?
CVE-2026-107655 has a CVSS base score of 4.0 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-107655?
No fix for CVE-2026-107655 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The CVE record's CNA (Red Hat, Inc.) lists Red Hat Hardened Images versions 2.4.19-4.4.hum1 and later as unaffected. No release containing a fix is confirmed on record.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-107655
Is Your Infrastructure Affected by CVE-2026-107655?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.