CVE-2017-13711: debian debian_linux Use After Free
Vulnerability summary
CVE-2017-13711 is a high (CVSS 7.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 3.84% chance of exploitation in the next 30 days, higher than 90.1% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 2Timeline
- 01-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.84%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.84% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.10.0-1
- debian_linuxEOL9.0
Qemu1 product
- qemu≤ 2.10.1
2 vendors · 3 products
References
9 links- www.openwall.com/lists/oss-security/2017/08/29/6Mailing ListX Refsource MLISTPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1486400X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.htmlMailing ListX Refsource MLISTPatchThird Party Advisory