CVE Explorer
CVE-2026-15712
A heap buffer over-read vulnerability was discovered in libsoup's (versions: libsoup 3.0 to 3.7.0) HTTP/2 connection tracking framework. When the library processes an HTTP/2 GOAWAY frame, it improperly handles the "Additional Debug Data" payload by assuming the data stream is a safely NUL-terminated C-string. Because the parser lacks strict length-boundary verification before reading this data, a remote, unauthenticated attacker can intentionally send a malformed GOAWAY frame missing the appropr
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"libsoup3","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /containers/cna/metrics/1/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-125","description":"Out-of-bounds Read","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-15712"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /containers/cna/references/0
{"name":"RHBZ#2499939","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2499939"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /containers/cna/references/1
{"url":"https://gitlab.gnome.org/GNOME/libsoup/-/work_items/540"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://gitlab.gnome.org/GNOME/libsoup/-/work_items/540"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ebe628268dad7e17bf211cb4c00196ed9aba91b6537d6bc0b2809b308a84a0a5 · sha256:6b0b365812ffb584… · /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.