CVE-2016-4483: debian debian_linux Deserialization of Untrusted Data
Vulnerability summary
CVE-2016-4483 is a high (CVSS 7.5) Deserialization of Untrusted Data vulnerability in debian debian_linux. EPSS estimates a 6.17% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 8 · Related 5Timeline
- 11-04-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- 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
6.17%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 6.17% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- libxml2< 2.9.3+dfsg1-1.1
- debian_linuxEOL8.0
Oracle1 product
- solarisEOL11.3
Ubuntu1 product
- libxml2< 2.9.1+dfsg1-3ubuntu4.8 | < 2.9.3+dfsg1-1ubuntu0.1
Xmlsoft1 product
- libxml2< 2.9.4
4 vendors · 5 products
References
18 links- www.openwall.com/lists/oss-security/2016/05/03/8Mailing ListX Refsource MLISTExploitThird Party Advisory
- www.openwall.com/lists/oss-security/2016/05/04/7Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- git.gnome.org/browse/libxml2/commit/?id=c97750d11bb8b6f3303e7131fe526a61ac65bcfdX Refsource CONFIRMPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2016/06/07/5Mailing ListX Refsource MLISTPatchThird Party Advisory
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlX Refsource CONFIRMThird Party Advisory
- www.openwall.com/lists/oss-security/2016/06/07/4Mailing ListX Refsource MLISTPatchThird Party Advisory