CVE Explorer
CVE-2026-57062
CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"GnuPG","vendor":"GnuPG","versions":[{"lessThanOrEqual":"2.5.20","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:6becea4fec531784327cec46117736de6249f6fc716109e5ce3b0fb4528df59c · sha256:0b857acf9966d916… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":2.9,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:6becea4fec531784327cec46117736de6249f6fc716109e5ce3b0fb4528df59c · sha256:0b857acf9966d916… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-1284","description":"CWE-1284 Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:6becea4fec531784327cec46117736de6249f6fc716109e5ce3b0fb4528df59c · sha256:0b857acf9966d916… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://blog.calif.io/p/how-to-format-a-ciphertext"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6becea4fec531784327cec46117736de6249f6fc716109e5ce3b0fb4528df59c · sha256:0b857acf9966d916… · /containers/cna/references/0
{"url":"https://www.gnupg.org/download/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6becea4fec531784327cec46117736de6249f6fc716109e5ce3b0fb4528df59c · sha256:0b857acf9966d916… · /containers/cna/references/1
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.