CVE-2025-32052Libsoup: heap buffer overflow in sniff_unknown()
- 6.5MediumCVSS base score
- 0.67%Exploitation in 30 daysEPSS · top 48% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A flaw was found in libsoup. A vulnerability in the sniff_unknown() function may lead to heap buffer over-read.
Timeline
ID reserved
By redhat
Published
- 19 months later
· 19 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
| NVDNVD · Deferred | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.67% · top 48% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
libsoup
- affected < 3.6.1
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:2.62.3-8.el8_10 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:2.8-3.el8_10.1 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:8.10-1 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 0:2.62.3-8.el8_10 – < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
- unaffected 0:2.62.3-3.el8_8.4 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 0:2.72.0-10.el9_6.1 – < *
Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support
- unaffected 0:2.72.0-8.el9_2.4 – < *
Red Hat · Red Hat Enterprise Linux 9.4 Extended Update Support
- unaffected 0:2.72.0-8.el9_4.4 – < *
Red Hat · Red Hat Enterprise Linux 10
All versions: unaffected
Red Hat · Red Hat Enterprise Linux 6
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
What to do
Workaround: No mitigation is currently available for this vulnerability.
References
References10
- RHSA-2025:4440 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:4508 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:4560 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:4568 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:7436 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- RHSA-2025:8292 (opens in a new tab)vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-32052 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2357069 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/425 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/04/msg00036.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-9631 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-32052)Record last updated .