CVE Explorer
CVE-2026-34979
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"cups","vendor":"OpenPrinting","versions":[{"status":"affected","version":"<= 2.4.16"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:576561a6e508fd53ea29904eee00c69f0e122f16d10c85ca5bfbb072cdc1a16b · sha256:94d69fae6a04e74b… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:576561a6e508fd53ea29904eee00c69f0e122f16d10c85ca5bfbb072cdc1a16b · sha256:94d69fae6a04e74b… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-122","description":"CWE-122: Heap-based Buffer Overflow","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:576561a6e508fd53ea29904eee00c69f0e122f16d10c85ca5bfbb072cdc1a16b · sha256:94d69fae6a04e74b… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:576561a6e508fd53ea29904eee00c69f0e122f16d10c85ca5bfbb072cdc1a16b · sha256:94d69fae6a04e74b… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:576561a6e508fd53ea29904eee00c69f0e122f16d10c85ca5bfbb072cdc1a16b · sha256:94d69fae6a04e74b… · /containers/adp/0/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.